Prescription Glasses Lens Guide: Lens Types and Materials

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Prescription Glasses Lens Guide: Lens Types and Materials

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Learn how to pick the best prescription glasses lenses for you! - Check out our full series showing what you need to know about buying prescription glasses
👉 bit.ly/BestEyeG...
📒 Show Notes 📒
Purchasing prescription glasses can be a challenge and often confusing when you do not know all the lens options. In this video, I walk you through different eyeglasses lens types (such as bifocals vs trifocals vs progressive lenses), as well as showing different glasses lens materials and the pros and cons of each.
If possible, it is always best to consult your local optician or glasses shop for more information and details about what is best for you and your glasses prescription.
⏰ Timecodes ⏰
0:00 - Prescription glasses guide
1:19 - Glasses lens types
1:45 - Single Vision Lenses
2:01 - Bifocal vs Trifocal Lenses
2:54 - Progressive lenses
4:01 - Lens Material for glasses
4:40 - CR-39
5:14 - Lens material types
5:23 - Polycarbonate lenses
6:51 - Trivex lenses
7:36 - High Index Lenses
7:55 - High Glasses Prescription
How to Pick Glasses for your Face Shape: • How to Choose GLASSES ...
Lens Coatings Guide: • Best Anti Glare Lenses...
*PRO TIP*
No matter where you buy your eyeglasses it is always best to have them professionally adjusted to improve their fit and comfort. It will help you see better too.
If you are looking to purchase prescription glasses online, it is important to continue seeing your eye doctor yearly for eye health evaluations. Although you may be seeing well, many eye diseases may creep up without affecting your eyesight until it's too late.
This video is NOT sponsored. Some product links below are affiliate links which means if you buy something we may receive a small commission and no additional cost to you.
Like my glasses frames? If you are choosing to purchase online you can find most of them online here:
bit.ly/EyeHealt...
If there is a specific frame in the video you want to know about, please ask.
Another cool brand I like - Christopher Cloos Eyewear
bit.ly/3mEZ7wI
The Best Glasses Case: • The BEST Glasses Case ...
My Custom Glasses: • My NEW Glasses! - AMAZ...
✅ Recommended playlists:
Looking to buy new glasses? Watch our full guide: bit.ly/EyeGlass...
Eyeglasses Tips and Tricks to help you!
• Glasses vs Contacts - ...
The Best Blue light glasses • Do BLUE LIGHT GLASSES ...
💡 Videos for frequently asked questions:
How to Clean Your Glasses: • How to Clean Eyeglasse...
Anti Fog Glasses Hacks! • How To Keep Glasses Fr...
How to fix broken glasses: • How to Fix Broken Glas...
Eyeglasses Reviews! : • William Painter Sungla...
Sunglasses Guide: • Why I ALWAYS Wear Sung...
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About This Video:
Thinking of buying new prescription glasses? In this video, Dr. Allen from Doctor Eye Health shares his knowledge about eyeglasses lens types and different lens materials for glasses.
#prescriptionglasses #eyeglasses #doctoreyehealth
MEDICAL ADVICE DISCLAIMER: All content in this video and description including: information, opinions, content, references and links is for informational purposes only. The Author does not provide any medical advice on the Site. Accessing, viewing, reading or otherwise using this content does NOT create a physician-patient relationship between you and it’s author. Providing personal or medical information to the Principal author does not create a physician-patient relationship between you and the Principal author or authors. Nothing contained in this video or it’s description is intended to establish a physician-patient relationship, to replace the services of a trained physician or health care professional, or otherwise to be a substitute for professional medical advice, diagnosis, or treatment. You should consult a licensed physician or appropriately-credentialed health care worker in your community in all matters relating to your health.

Пікірлер: 832

@DoctorEyeHealth 3 жыл бұрын

For more help about buying prescription glasses (frames, lenses, coatings) 👉 bit.ly/BestEyeGlassesGuide

@CircusTrickerWasDead 3 жыл бұрын

Beep boop sk beep bap: Oh oki my grandma kinda needs it so ^w^ thank chu

@kingaj4252 3 жыл бұрын

Hello Dr I have floaters since 2018 but .from last year I see floaters in Dark too ..its like flashes...?

@bleuvlad 3 жыл бұрын

❤️

@CircusTrickerWasDead 3 жыл бұрын

Plus I came first tho..

@biancamolton2487 3 жыл бұрын

High index would be the best for me, I have a high prescription .

@VenomDamage 2 жыл бұрын

Where I live there are hundreds of optical stores, I have used eyeglasses for a long time and although I visited almost all of them, none of them honestly clarified the difference between the materials. They just told me that polycarbonate was the best material against scratches (which is why I always chose it) when in reality it is not, in addition to putting more emphasis on trying to sell treatments that are not so important. I always trusted their opinion as professionals but the 80% of them (or they employees) only have the mentality of merchants ... it was not until now that I began to learn more thanks to content like this and decide for myself which product is suitable. Thank you very much !

@namede6210 2 жыл бұрын

My polycarbonate lenses took just like 3 months to see scratches... it freaks the f out of me wonder if I got scammed.

@patriciaedsall6035 Жыл бұрын

yes for 30 years was told polycarbonate was the best,,so guess was lied to sell more always went for scratch resist and whatever is called so people looking at you can see your eyes not reflections

@mysticqro950 6 ай бұрын

Yup I can’t believe I kept listening to them. I got glasses with polycarbonate lenses that were recommended for me, and it made my eyes look small and distorted, even got headaches. That was until I did more researched and ordered high index glasses from Ray-Ban to accommodate my higher prescription and it made such a huge difference. My eyes look less distorted, and I don’t get fatigue anymore. I used to hate wearing glasses for this particular reason, now I actually wear them everyday lol

@pjaypender1009 3 жыл бұрын

I've been wearing glasses since I was a year old. Since I was a kid, I could see that distortion you talked about on the edges of my strong polycarbonate lenses, but the eye doctor just told me that I must be imagining it, because apparently gaslighting children is acceptable. It's there, and it's why I wear contacts as much as possible.

@ev-ezaye3580 2 жыл бұрын

What's it with opticians being not forthcoming with info? FGS its the patient's eye/health not yours!!! This makes me very mad!

@jeananthony8541 2 жыл бұрын

It's not just kids who get gaslighted regarding lenses. After spending lots of money on lenses and specialists, I finally began my journey to find what was best for me. I know what I'm seeing. I don't allow doctors to tell me that I'm not seeing what I see.

@astrosquirrel5038 2 жыл бұрын

My last pair of glasses had this. The edges were blurry and it seemed like I had a really narrow field of view. I was told that's just normal, but no other pair of glasses I've ever had bothered me that much.

@rjacj Жыл бұрын

@@astrosquirrel5038 I tried High Index lenses one time and could not wear them. It was as if I had tunnel vision. I could only see clearly out of the very middle of the lens. Couldn't drive with them. After convincing them that I WAS NOT looking through the progressive part, they then told me that some people could not wear them.

@flyguy6504l 10 ай бұрын

I can't wear polycarbonate either because I see colors feathering off the edges of objects. I stick with CR 39. Best for me.

@wisdomeziulo1137 2 жыл бұрын

I wear the polycarbonate lenses and I didn't know what those color distortions were until I watched this video. Thanks Doctor Allen!

@jojajim2 3 жыл бұрын

I don't need glasses in the slightest, I don't know why I'm here but I like the videos ! Keep up the great work

@ddahstan6876 7 ай бұрын

Hands Down... One of the most genuine and engaging eye doctors on the planet!! I learn something every single video. Thank You, teaching us whenever you can. Truly appreciate you.

@HaydenEccles 3 жыл бұрын

Great information for the customer here!

@alanfromlondon Жыл бұрын

So much great information in this video. 😊 7:53 Something to be aware of with high index lenses is that, the higher the index the lower the Abbe value, which means you're going to see more chromatic aberration (colour fringing) around the edges of the lenses. Some high index lenses have an Abbe value as low as 31, which isn't great for the clarity of the lens.

@DoctorEyeHealth Жыл бұрын

Thanks for the info!

@Nccp9 Жыл бұрын

I thought something was wrong with my prescription, just turns out they are so high that I get these strong color shifts even in the middle of my vision if the lights are bright enough. Extremely noticeable on my color cycling RGB RAM sticks in my pc, the reds shift physically shift position and make it look like its moving.

@spajdude Жыл бұрын

@@Nccp9 Unless you have very strong prescriptions and want as thin lenses as possible, go with CR-39 next time. CR-39 has an Abbe number of 59, higher than the eye, so no colour fringing and also a lot cheaper than high index lenses.

@Nccp9 Жыл бұрын

@@spajdude I have -6.5 in both eyes, so I'm stuck getting polycarbonate :(

@bookbeats3454 Жыл бұрын

@@Nccp9 no you arent! you can get trivex which is a direct competitor of polycarbonate but offers higher abbe numbers and the most clarity while also having the impact resistance of poly! I have astig. and -6, -7 on my eyes so I also have a strong perscription but you are not limited on your options!

@SheritaGurl Жыл бұрын

Your page is amazing. You broke this down in such a simple way. Easy to understand. Now I know exactly what I need. I appreciate this. Thank you.

@anthonydiaz6967 3 жыл бұрын

I have a question just changed from rectangular lenses to oval and with first time blue light and already have had them for almost two weeks and on the side of the lenses I see blurry and in the front I see perfectly fine. What do you think it might be?

@slipknot19968 2 жыл бұрын

It could be a “base curve” issue. Sometimes going from rectangular frame into that oval can add more curvature to the material. This is something that can be fixed, if your optical shop has control over their lenses (most do). A blue light filter (or most other coatings) have very little effect on your overall quality of vision. Finally if the base material of your lens has changed it could also be that you aren’t adapting. I’ve worked in optical for 2 1/2 years in a specialists office. The only real answer to your question is to talk to your DOCTOR or OPTICIAN. They will be able to give you an actual answer. The things I suggested above are only the cases I typically see.

@MiteshDamania 2 жыл бұрын

@@slipknot19968 I have -8 plus 1.5 astigmatism. What do you recommend for lenses? My issue is the high distortion anytime I am moving my eyes. The sides of the lenses are the worst.

@slipknot19968 2 жыл бұрын

@@MiteshDamania your issue could also be material based, or even rx based. Your rx is a little on the high side. Sometimes high myopes don’t like Cyl changes. You’ll definitely have to talk to your doctor and optician, they’ll be able to show you what changes you had since your last visit/purchase.

@sherylclements2846 3 ай бұрын

I've worn glasses and contacts all my life. I've found as an adult, letting the provider be in charge of everything is just not an option anymore. I had one provider just out of school, really push me for monovision contacts. Seeing one distance in one eye, and one in another. I told her no, that drives me absolutely crazy, but she continued to push it, telling me how much I would love it. But I refused. When I get my contacts? Guess what the prescription was. I was furious to have wasted my money on something that I ended up going to another doctor and starting all over again to get what I needed. You have to find someone you can trust, who you can respect, and who respects you and your needs and will listen. I've found an awesome provider recently, and will never change. Check the reviews, due your due diligence, and get educated. And find that respect factor. It makes a huge difference.

@ShannonLambert 3 жыл бұрын

I've been a polycarb lens wearer for years, and I really like them. I am a big fan of the photochromic lenses, too, since my glasses are always on my face. I've never misplaced my sunnies. :) Thanks for all this information - I've been wearing glasses for almost 40 years and I am always learning from you. I appreciate it!

@DoctorEyeHealth 3 жыл бұрын

Thanks so much Shannon! Glad to hear you have done such a good job protecting your eyes!

@nomebear 2 жыл бұрын

I watched a video on lense coatings that left me with a profound respect for the ultra high lense coating technology. I must admit, I've been careless in handling eyewear and have swore to make changes.

@BeardedRascel 2 жыл бұрын

Interesting, but as far as materials you left one out. You can tell me about plastic, but with 50 years of trying all the different lenses, I still like glass. With my high Rx, I do end up with thick and heavy lenses. I also like large lenses that help with my side vison, so the edges have got real thick. I still like the quality and durability of real glass. Takes longer, but it is worth it.

@therealdeal3672 3 жыл бұрын

Thanks for such an informative video Dr. Allen! I had wondered what Trivex lenses were. Didn't get glasses until age 42, so went straight to Progressives. What could be better than a lens that has every different section allow you to have perfect vision depending on where you're looking? I understand for people who don't start out with them it takes some getting used to. But since they were the first lenses I wore they were a natural for me. Love photochromatic Transitions lenses, as well! The new XtraActive versions are great for people with light sensitivity. They always have the slightest tint and then change tint readily with the strength of the light they're exposed to. Although I have regular transitions as well. I do have non photochromatic lenses for indoors or night time, especially for night driving. 😎

@DoctorEyeHealth 3 жыл бұрын

I'm so glad you've found lenses that work well! Thanks for sharing!

@cf116 2 жыл бұрын

@@DoctorEyeHealth are Photochromic lenses good while driving car? Do they pose any risk or inconvenience during driving?

@mtgibbs Жыл бұрын

@@cf116 Most won't darken in the car as the car windows block the UV light that causes them to darken. I have a set of clip-on sunglasses that I use in the car instead. Some are designed to work inside of a car but they don't get fully clear.

@gkweather 2 жыл бұрын

Great video Doc. I have a -3.25 and -3.5 with -1 of astigmatism in each eye and I just recently received my new glasses with the 1.69 index. Way lighter and thinnner than the polycarbonate ones I used to have! Feels great on the face. Also ordered a slightly lower perscription ( lower by 0.25 in each eye) for computer with Blue Light blocking. I find that computer usage requires less lens power to see clearly than other activities. I then have to switch back when looking for. But at least I don’t mind!

@younglee157 2 жыл бұрын

Recommend Acelool

@Viewer13128 Жыл бұрын

will the anti-reflective coating wear off from washing with soap?

@Hanky03 3 жыл бұрын

Acetate plastic frame to cover edge of high myopia, 1.67 MC with Transitions but here’s my twist, single vision freeform lens to increase my field of view in the lens to stop the extra astigmatism in the corners of the lenses hehe

@DoctorEyeHealth 3 жыл бұрын

Sounds like some great ideas!

@LS-bw7jt 3 жыл бұрын

I specialise in glasses from the UK and being in optics for the past 12 years this is what I speak to my patient's on a day to day basis. Very useful video for those new to glasses. My favourite lenses are zeiss or rodenstock. Not a presbyopic just yet!

@raeesakarim3046 3 жыл бұрын

Can u pls tell me about Zeiss lenses? I hear they are the best lenses on the market?

@LS-bw7jt 3 жыл бұрын

@@raeesakarim3046 very good lenses but like most good quality lenses like essilor, rodenstock and zeiss they come at a price

@jennyschur6687 3 жыл бұрын

Great video. Just ordered new glasses after 4 years and I’m so aggregated my prescription increased. I’m 41 and have been wearing glasses since age 6. My right eye is -12 and my left is -11.75. I laughed when you said -2 high. Can you answer what is the highest prescription lenses they make? Also what are the best contacts for high prescriptions and dry eyes? I’d love to try contacts again but the dryness is awful. Thank you.

@mark9118 3 жыл бұрын

The highest possible Rx varies by lens manufacturer, lens design, and by material used (almost all lenses are available in multiple different materials). Contact an optical shop for details.

@itsagoodday2165 2 жыл бұрын

Look into Nate's method and try some exercises. I have +15.50 in my contacts so I am with you when he said -2 is high.

@MiteshDamania 2 жыл бұрын

Let me know if you have run into any answers. I have high rx too

@Jan96106 Жыл бұрын

Jenny: Until my cataract surgery, I used to wear contacts, and I had a high prescription like yours. I could only ever wear gas permeable hard contact lenses. With a high prescription the soft lenses they gave me to try once buckled in every time I blinked, and my vision blurred. (The thinner the lenses are in the middle and thicken at the edges the higher your prescription gets.) I assume that is still true today, and that hard contacts are your only option. But if you have dry eyes, you probably will not like contacts. However, at high prescriptions, contacts are usually the only way to see well. You probably also know you are more at risk for retinal tears due to your elongated eye, and when you do eventually need cataract surgery, you may need to get anterior chamber lenses as your zonules will be too weak to hold your artificial lenses in place, and they will slip to the back of your eye (right away or after a number of years if he holds them in place with rings). I'm giving you important information your eye doctor may not know as they don't encounter this so often when doing cataract surgery and may not be used to all the problems this causes. Make sure you do a lot of reading before you make any decisions when you do need cataract surgery.

@aalmi002 2 жыл бұрын

I just glasses for the first time last month and I have to admit that I love them so far. I ended up getting polycarbonate lens and I see great with them. It took about two weeks for me to get used to them. I just bought some CR-39 glasses so let’s see how they compare to this one.

@talon2201 Жыл бұрын

how'd they compare?

@fredrick8691 2 жыл бұрын

As an optician I've used all of them and my go too material's are 1.67 or CR39.

@DoctorEyeHealth 2 жыл бұрын

Same here!

@Tech_review_HERE3627 3 жыл бұрын

This channel helps alot on people with glasses should gives tips or new thing to know about glasses that is not just a ordinary material Greetings from the philippines

@DoctorEyeHealth 3 жыл бұрын

Thanks Eyplays! Hopefully some day I will make it over to visit the Philippines!

@ghhdvnk1065 3 жыл бұрын

@@DoctorEyeHealth when was your power stable????

@louisxxvdefrance6741 2 жыл бұрын

I have always used glass lenses; they are readily available at either vision center in my town. Comes at a premium cost, but they last forever. I have relatively stable vision, and the pair that I just moved off from was ten years old. The lenses and titanium frame are still in perfect condition. Now in a bifocal with photochromic glass.

@jeffborkowski 2 жыл бұрын

Completely agree. But I've had a hard time finding anyone who still works with glass. Where have you found glass, photochromic replacement lenses?

@miriammaldonado7848 2 жыл бұрын

Thank you Doctor, for your valuable information! Sometimes what makes the difference is the price range.

@billiamnotbob 3 жыл бұрын

I see you and the first thing I think of is "It's Jimmy from NCIS!" Sorry, I had to. Love the informative video's.

@yvonnemolina6352 3 жыл бұрын

Me too that was the first thing I thought.

@StephenMatrese 3 жыл бұрын

Omg, yes, a less dorky jimmy

@ktie28 3 жыл бұрын

Mr Palmer!!! *In Ducky's voice*

@jill6979 2 жыл бұрын

OMG yesssss!!!

@carolleboeuf3049 2 жыл бұрын

I couldn't think of who he reminded me of, that's it!

@sierra3880 3 жыл бұрын

Your explanation is so good as always. I like your videos, also i just wanna say hi, i'm optometrist too

@DoctorEyeHealth 3 жыл бұрын

Thanks for that! Great to connect!

@harshavardhana3895 3 жыл бұрын

Doctor my pupils are dilated when I look at mirror this if for more than 1.5 months I went to ophthalmologist before a month he checked my eye and nerves and said I just have an dry eye and gave dry eye drops for 6 months. So I just have an dry eye but why are my pupils dilated , will dry eye cause pupils to dilated? Please answer fast doctor . I am very depressed for 2 days thinking about this please answer this question. 🙏

@danilosantana8364 3 жыл бұрын

Hello, in October I started being through laser sessions due to retinal tears. Soon after I began seeing these bright spots (which later I found out to fit perfectly with the blue field entoptic phenomenon); not to mention an increase in floaters. Any thoughts on what could have caused it? Thanks for the informative content :)

@DoctorEyeHealth 3 жыл бұрын

Hey Danilo. Thanks for sharing that. Tough to say why you are seeing the blue field entoptic phenomenon after all that. But very interesting because I see it too. (really want to do a video on that). Floaters are more common after any eye surgery, particularly a retinal surgery. But changes to the vitreous gel and growth of floaters do often cause retinal tears as well.

@edlui462 3 жыл бұрын

A very informative video. Incidentally, I just received my very first Trivex lenses and had a little surprise on its "yellowish" color nature, not too sure if this is typical.

@peggyclarke1725 2 жыл бұрын

I love Dr. Al! He explains everything so well in laymens language!! Thanks, Dr Al!!🥸

@Starski43 Жыл бұрын

You mentioned that poly carbonate is soft and easy to scratch, but you did not speak of the hardness or scratch-ability of high index or Trivex. at this point scratch resistance is my biggest concern. If the lens is too soft, I believe that compromises any scratch resistant coating as well.

@JT-nf9tk 3 жыл бұрын

Thanks for a very informative video. However, I think you mispoke when you said a -2.00 diopter lens is a high prescription. i always thought that a -2.00 diopter spherical was borderline mild/moderate nearsightedness while a -6.00 or above spherical is a high prescription.

@aleq.4 3 жыл бұрын

Exactly. I have -3 in my left eye and -2,75 in my right eye, which is right below high nearsightedness and I've bought lenses with higher index, 1,57 but I see very spherically on the edges. I asked a question relating this topic in the comment section and I really hope he'll answer and give me some advice.

@DoctorEyeHealth 3 жыл бұрын

You are correct that "high myopia" starts at -6.00 per the classification. But in the video I was just trying to stress when a high index lens would begin to be useful for most people. I appreciate your attention to detail though! It keeps me working harder to be more concise in my future videos. Thanks.

@JT-nf9tk 3 жыл бұрын

@@DoctorEyeHealth I have been highly myopic with severe astigmatism and strabismus most of my life. It was not until I had cataract surgery at the age of thirty-nine in 1994 that my prescription drastically chsnged Now, my myopia is mild with very little astigmatism in my left and borderline moderate myopia and borderline high astigmatism on my right. My glasses are normal polycarbonate, progressive with transition lenses. As far as my strabismus, I can force my eyes to be straight and deal with the double vision in the distance, but sometimes old habits are hard to break. Anyway, that is why I know about the parameters of what is considered mild, moderate and high myopia. Thanks Doctor for being a stand up guy.

@samueldisturbing761 3 жыл бұрын

@@aleq.4 I believe aspherical lenses can reduce that warping effect at the edges of the glass. (Thinking about the f-360° eyezen from essilor and similar glasses) Also Index 1,57 is polycarbonate if I recall correctly.

@aleq.4 3 жыл бұрын

@@samueldisturbing761 Thank you for replying. I' ve mistaken 1,60 with 1,57. I actually ordered 1,60 index lenses, the ones recommend to me. I know aspherical lenses are just for very high myopia, like above -9. I may be wrong, tho

@SirJosephLopez 2 жыл бұрын

So happy I found this channel, very helpful!

@DoctorEyeHealth 2 жыл бұрын

Hey thanks! Glad you are finding it so useful!

@LISA75_ 3 жыл бұрын

HAD to laugh when he said having a high glasses prescription was a -2 lol, I have been -6 for years, but I could always see small stuff, but the last 18 months looking at near stuff with my glasses on has been a blurry mess lol. Will have to see about the progressive lenses

@cwill2127 3 жыл бұрын

@Chelle Bright I’m just got my new rx of -1.25 (Old Rx was -0.75, -1.25 at my last appointment 6 years ago!) but really feel like I can’t read text or discern faces from very far at all. I know I’m lucky and lots of people have higher prescriptions I just feel more blind than I am I guess.

@tammygibson1556 3 жыл бұрын

Good video. As an old lab techie, I must correct you about stinky Trivex. It is 1.60, 1.67, and 1.76 indexes that stink when you cut them :-)

@fbtool 5 ай бұрын

Once again, Thank you so much! You are my guide through the sea of options while buying glasses online.

@eliparreno5725 2 жыл бұрын

Ohhh so that's why I've noticed those colors blue and orange. Thanks Doc.

@witheryskies3972 3 жыл бұрын

I’m getting my glasses this week and I was just curious how they were made

@m_sani 3 жыл бұрын

Thanks a lot doc. I'll keep an eye on you 😘😆

@DoctorEyeHealth 3 жыл бұрын

👍😁

@summersadie3687 3 жыл бұрын

Dr. Allen, I am really hoping you will make a video about "progressive lens options", especially those that are digitally designed. My recent discussions with a number of opticians were about new digital progressive lenses, supposedly superior (and more costly) than earlier ones. They were described as being "top tier" or "premiere" because they are individually designed for a patient's specific prescription, and have a better range of vision levels than older lenses. What are your thoughts about this new technology? Really hoping to hear your perspective before I purchase :-). Thank you.

@58016428 3 жыл бұрын

Can you please do a video entirely about progressive lenses (how to best use them, opinions about them etc.)? That would be fantastic!

@gabriella8173 3 жыл бұрын

I don't know anything about this when I change my glasses so I just give my trust to the doctor for my prescription glasses.

@junil4307 3 жыл бұрын

I’m an optician from Germany and as far as I know a hardening coat and a anti-reflective is already a standard on the glass. You could also get lenses with out it but I wouldn’t recommend that.🤷‍♀️

@mikewood8208 3 жыл бұрын

You folks have better access and I believe less regulations in terms of lens thickness/ safety.

@namede6210 2 жыл бұрын

Hi, recently I got myself a pair of polycarbonate lenses, it has been just like 3 months and I have noticed there are small salt-like, little dots on the lenses, may I ask what are those dots and are they normal? Also, I have also noticed scratches on my new polycarbonate lenses just in 3 months time, while my old cheap plastic glasses took like 1 or 2 years time to see some noticeable scratches... are polycarbonate lenses much more prone to scratches than the plastic glasses?

@spajdude 2 жыл бұрын

Polycarbonate is softer than CR-39 "plastic" lenses and will scratch more easily. Don't be fooled by the cheaper price of CR-39, as this polymer has much higher optical quality than polycarbonate and high index lenses. The refractive index and Abbe value of CR-39 are pretty much the same as optical crown glass. Opt. Crown Glass - Index: 1.523 Abbe: 58.5 CR-39 - Index: 1.498 and Abbe: 59.3 Polycarb - Index: 1.586 and Abbe: 30 High Index - Index: 1.6 - 1.74 Abbe: 32 - 42

@TheFeist77 Жыл бұрын

My doctor of 42 years passed away and his wife closed the office and only gave 2 weeks to get our files. I did not even know he had passed and lost 4 decades of info. I need to know what to look for in new doctor and what is the best/most advanced way to get prescriptions.

@astroidyeti2169 3 жыл бұрын

I got the cheapest lenses to save money and with my left eye being -5.75 and my right eye being -6.25 with an astigmatism of 180 in both eyes. I really should go with high index, and that’s what I’m going todo when I need a new prescription

@NormanF62 2 жыл бұрын

High index are expensive and if you have a high prescription you will benefit tremendously from a lighter and more responsive lens. The extra cost in that case is definitely worth it. If you have a low prescription like most people have, you won’t see any appreciable difference from a standard lens.

@samueldisturbing761 3 жыл бұрын

Poly is also highly corrodible by solvent. Index 1.6 Is probably one of the best materials for most people.

@jaykgoldston7389 2 жыл бұрын

@Janisg616 Жыл бұрын

I recently ordered my first glasses, I use glasses only indoors in front of a computer and sometimes for reading books. Despite my use case, the seller pushed to "Upgrade" for polycarbonate lenses, in case I decide to do sports in my computer glasses. After this video, I understood that for my use case, polycarbonate has only disadvantages - optical quality and scratch resistance for polycarbonate are worse than for CR-39. The cost was not a big issue, I was ready to pay extra since I spent 10+ hours in front of a computer screen every day. I ordered cheaper alternative CR-39 lenses, +1.0 and +1.5, and some special "Eyezn" coating with blue light blocking that is designed for computer use. I am very satisfied, needed those glasses for a couple of years if not longer. All that consultant told me is that polycarbonate is overall better than cr-39, so I should upgrade to that material. After this video, I understood that standard cr-39 lenses have other advantages on top of cheaper prices, but sellers will tend to "upsell" more expensive options no matter what your use case is.

@Ihtiandr13 Жыл бұрын

It's not just upsell. Many people just biased due to personal limited experience with glasses.Or simply not good at listening customers...

@haseozenithmaru1186 3 жыл бұрын

Thank you. Multiple sclerosis/MS here. Anyone can benefit from your advice Education time!

@jerrypritchett283 3 жыл бұрын

You neglected to mention glass as an option for lenses. I have and still do use glass in my bifocals with photochromatic transition lenses. Because of the environment I work in, they last without scratches and dings. Plus, the transition works in glass better than other materials, unless things have changed in that regard since I last checked. BTW, I have to special order and as far as I can tell there is only one company that still makes prescription glass lenses.

@DoctorEyeHealth 3 жыл бұрын

That is soo true! I did not mention it because it is so hard to find these days. But I too love glass lenses (if you can find them)

@samueldisturbing761 3 жыл бұрын

The Industry doesn't really research towards progressive lenses made of glass, so plastic progressive lenses are usually more advanced, but since you are using bifocals that doesn't matter since there isn't a whole lot you can improve on those, aside from progressive lenses. (However some options do exist for glass)

@brken_blndie 3 жыл бұрын

Stange that you say that, we stopped making glass lenses years ago for multiple reasons, one just being safety, and for weight and thickness reasons ( aesthetics ) you should be fine with just a normal hard coat

@samueldisturbing761 3 жыл бұрын

@@brken_blndie They are still produced its just all old designs. Also usually you would want a two component hard coat not just a standard hard coat.

@brken_blndie 3 жыл бұрын

@@samueldisturbing761 where do you work? And what do you mean by 2component hardcoat? Do you mean a415 and altius?

@mrs.b.s.7212 2 жыл бұрын

I am so thankful for your videos. I wish you were my eye dr! I am having to educate myself because I am tired of settling for whatever the eye dr has on hand atm. Also, I would like to save money. So, in order to do that I am trying to order online. I have a lot of questions. Thankfully, you have a lot of videos. I feel that you are very honest, knowledgeable, & trustworthy. So glad I found you!

@DoctorEyeHealth 2 жыл бұрын

Thank you for those kind words. I'm so glad you've found these helpful! A glasses series has been a long time in the making. I'm glad to be getting this information out there for people.

@geraldl1401 3 жыл бұрын

At my Dioptors...-3.75/-4.50.......i always go for 1.74 index lenses as the look amazing in eyeglass frames. Currently sporting Tom Ford specs with Essilor Varilux X lenses 1.74, and Essilor Sapphire coating. I like a streamlined profile so thick specs are a no go!

@samueldisturbing761 3 жыл бұрын

That's some good stuff, might get away with 1,67 Index but at that point doesn't make the biggest difference in price.

@miriamzajfman4305 3 жыл бұрын

Your information are very helpful ( I did watch all the three videos) since I'm getting new pair of glasses ! Thanks 👍

@DoctorEyeHealth 3 жыл бұрын

Fantastic!! Let us know how everything goes!

@levon9 2 жыл бұрын

Really helpful. I have massive chromatic aberration with poly lenses (I have transition and progressives). Lenscrafter gave me poly lenses and I didn't know better until I tried them, and I returned them. My old glasses have Zeiss CR-39 and I had zero issues. I may go back to LC and ask for CR-39 since they have a nice frame I like.

@levon9 2 жыл бұрын

@@windsurfer_LA Thank you. I went back to LC and asked for CR-39 lenses, so now I'm waiting to get them, hopefully they will work, this will be my 6th trip to them (luckily they are very close). I told them about the chromatic aberrations and they kept trying different poly lenses .. obviously didn't work, and I didn't know any better at the time. You'd think *they* would know 😕 Anyway, the information in your videos has been very interesting and helpful - thanks again.

@whoisalisson Жыл бұрын

@@levon9 it worked?

@levon9 Жыл бұрын

@@whoisalisson Yes, perfectly - I'm sort of shocked no one at LC or their optician had any clues about this - even after I explained this to them.

@GYANICHASMABABA 3 жыл бұрын

Mr8 can be a good options over poly what I feel still in less budget...but yes they are not as strong as poly .. Good episodes doc

@DoctorEyeHealth 3 жыл бұрын

🙏🙏 Good tip!

@GYANICHASMABABA 3 жыл бұрын

@@DoctorEyeHealth thanks

@ferdelancee 2 жыл бұрын

I don't know yet. I need some help. I have a prescription of -5.75 and -6. I would like a high index lense. The last time I was going to buy metal frames but the lady told me that the lense would look bad because the side were going to look very wide so I just stick with the plastic frame.

@corinnespanelewski7169 3 жыл бұрын

I dont like the polycarb lens I just dont see as clear as I like to. I tried my first pair of Varilux progressive lens and they are a game changer in my opinion. It would be hard for me to be happy now with any other. Vision is so much more clear with varilux but cost is very different between stores.

@mark9118 3 жыл бұрын

Varilux lenses come in several different materials, including polycarbonate. You have to compare apples to apples. So polycarb Varilux lenses may not be any better than polycarb lenses you tried.

@Dragoninja Жыл бұрын

Thank you Dr. Eye Health, that was very Informational. I didn't know about the different Lens Types that are available.

@rohankhanna4348 3 жыл бұрын

I have a question. I have astigmatism and require glasses all day long. Since I'm a student I would be spending a lot of time on my phone and computer and I have notes I have began to squint when I try to read. Is it possible to combine both astigmatism and computer lenses. Is it practical?

@tmassey1465 Жыл бұрын

Thank ❤you. I went with Silloette 5540. PC lens. Transition, progressive Crizal. Rimless. Love them. 18gm.

@Maria_Podesta Жыл бұрын

Your videos are so helpful. Im looking to buy prescription glasses online and have been a bit overwhelmed with all the minute (though major) things to understand...I lowkey wish Id studied to be an optometrist now lol...Thank you

@ree8698 3 жыл бұрын

Doc, do you know how to get rid of dark spots on the sclera naturally, without surgery

@Cliche8701 3 жыл бұрын

I was hoping you would cover aspheric lenses as well.

@lovebytoto 3 жыл бұрын

Hey I have a question does myopia effect the perception of distance? I mean even if I were to wear glasses, does my brain have a poorer perception of distances in general? Or is that mechanism independent to myopia?

@aleq.4 3 жыл бұрын

I have -3 in my left eye and -2.75 in my right eye and I've bought a new pair of glasses with a higher index, 1.57 because on my old glasses, my lenses were a little bit thick. I can't stand at all the new, thinner lenses at all. They are lighter and I love that but I've stopped wearing them because I see very spherically on the lenses' edges and the image of the world seems further, like objects seem smaller and further away from me. Even when I would look at my phone, it appears smaller and 3D 2.0, which means that I see the screen rounder, 3D like. Also, my eyes look smaller, like my prescription would be higher, but is the same as on my old glasses which I'm currently wearing. I just changed the thickness of the lenses. Why is this happening? Is it because I don't need higher index?

@DoctorEyeHealth 3 жыл бұрын

Very good question. Typically, I don't hear those types of issues unless the power/base curve of the lens has changed or the vertex distance of the lenses have changed too. I wonder if there is a difference in base curve to the lenses, although the power has been kept the same.

@joelf.8660 2 жыл бұрын

I have an Rx of -9.50 / -11.50 and usually have to get 1.74 hight index lenses. Is there any other lens that is thinner than that? Also to make it more complicated due to age (54) I also have presbyopia (+2.50) for reading. Any recommendations? I was told that I have to have progressive lenses and can not use a bifocal lenses. Is that still the case? Thank you for your great videos. Very instructional and helpful. Thanks again.

@sunshine_felix07 2 жыл бұрын

Hello Dr. Can u make a video on how to take better care of glasses. Like how to wash them, wipe them, and all? Please?😊😊

@littlerocker121314 3 жыл бұрын

I enjoyed the way you explained the lens, I sell glasses everyday and know a lot of about theses lens already except trivex lens, we don’t sell those in my store but now I can explain the difference between those and polycarbonate lens better. I also never knew polycarbonate lens have color distortion on the sides I have glasses with poly and hi index lens and the main difference far as seeing is hi index gives a immediate clearer view.

@yiyiskblue8 Жыл бұрын

I am confused. It says that Polycarbonate material already have a scratch resistant coating when you show the chart of the different kinds of lens. So do we have to ask for this like you mention? It shows the opposite on the chart you put up.

@germainsullivan6134 3 жыл бұрын

How about some lens for when you are driving at night .please reply thank you

@StarOpticalGlassFitting 2 жыл бұрын

Clear, informative, to the point. ❤

@factsdebunkedtv6687 3 жыл бұрын

Hey doctor! I recently bought blue light filtered glasses which have a slight yellow tint in them. As I'm myopic (-1.50) in both eyes, can I wear them all day?

@samueldisturbing761 3 жыл бұрын

Yes the yellow tint absorbs some 20% (speaking about blue light filtering not blocking) of the blue wavelength to help with screen time, but you probably will see improvements while driving in bad weather conditions too. (It's not harmful for the eye)

@RushBalogna 3 жыл бұрын

Is round glasses good for someone with high myopia? And also I have bad chromatic aberration so I will try the trivex lens next time, thank you

@dreadsire5086 2 жыл бұрын

Very educational and helpful, thank you.

@DoctorEyeHealth 2 жыл бұрын

You're very welcome!

@rickyn1135 2 жыл бұрын

I’m diabetic. Sometimes in the mornings or at night my visón is great without my eyeglasses on. Would you recommend having an eye exam twice,once during a great vision day & one on a bad day? I’ve had lenses years ago on a good day and on a bad day,they were almost useless or were. Ugh. Danke

@schandanui 3 жыл бұрын

Hi please advise me which will be best type of lens/frames for high myopia my prescription is -10 sph, -1 cyl and 170 axis.

@lisellethomas7869 2 жыл бұрын

I need hi index lens due to my prescription however I think it's time for lens manufacturers to get something thinner so I could wear metal frames and semi rimless also

@mulemouse 2 жыл бұрын

I've needed this for a long time, I have failed to get new working glasses since 2oo4

@star222333 3 жыл бұрын

I like CR-39, great quality, high Abbe value! I bought a plastic frame and they were sliding off my nose, lucky for me Amazon sells silicone nose pads and they worked, but next time I'll just get the metal frames.

@Dorfmatratze 3 жыл бұрын

lmao just go to an optician and get your frame adjusted

@samueldisturbing761 3 жыл бұрын

@@Dorfmatratze the optician will be really happy to adjust your glasses from Amazon by the way ;)

@lucinda8802 2 жыл бұрын

I have a ton of chromatic aberration issues with lenses that Aren't plastic. My prescription is getting pretty high and the lenses thick. Have there been any advances with aberration value comparable to plastic?

@yazminascencio1511 3 жыл бұрын

HELP PLEASE!! I know is off off topic but i been wearing hard lenses for about 2 weeks .They feel dry and I always feel something in my eye discomfort and dryness ..What can I do pleaseee help!!

@DoctorEyeHealth 3 жыл бұрын

Thanks for asking Yazmin! Hard lenses often feel uncomfortable at first. It is something that needs to be worn with more and more time as you adapt to the feeling of the lenses. Eventually, you may not feel them anymore. But I do encourage you to follow up with your eye doctor as scheduled (or sooner if experiencing pain/redness).

@yazminascencio1511 3 жыл бұрын

@@DoctorEyeHealth thanks so much I have follow your advice and bought Blink for dry eye!! seens to relieve some pain thankyou so much you are a blessing

@Mango037 3 ай бұрын

I wish you were my eye doctor 😂 I get better informed with you than in person.

@Camrographer 5 ай бұрын

So I'm a photographer by trade. I shoot during the day and edit images at night. Of course I'm also driving to locations which require address location which I use a GPS for. I can see distances during the day but have some trouble seeing at night. I've been using generic reading glasses for basic tasks but prescription glasses for photo editing at the computer. My viewing distance from the monitor is 40". These prescriptions no longer work and need a new set. Not only that but I can no longer see the LCD screen of my camera so I'm constantly lowering and raising my reading glasses to interact with my camera. I'm thinking perhaps I'm a candidate for progressives and given that I'm working on visually demanding projects I would need the lowest distortion lenses. I also may need two sets, prescription sunglasses and one for indoor use.

@geraldl1401 2 жыл бұрын

Varilux X 1.74 index and Sapphire coating in my new specs is amazing in Tom ford frames.

@muffinbunches4511 3 жыл бұрын

amazing video! Thank you a lot Really very informative for me cause glasses are my passion 😍

@RRaquello 4 ай бұрын

I watched this video to see if actual glass was mentioned. Not surprised it wasn't. I'm one of the few people who still gets glass lenses. My optician has to have them sent out to a special lab to have them made. It doesn't cost any more but you do have to wait about two weeks. My reason for sticking with glass? Well, when you buy the plastic lenses you get recommended all kinds of coatings to make them "non-scratch". You have to pay extra for this. In other words, you have to pay more to get plastic lenses that are up to the standards of glass, and they're still not up to the standard because even with the coatings they're easier to scratch than glass. Two main arguments against glass is that they may crack, break or shatter. I've been wearing glasses since I was 12 years old, which is about 50 years, and have broken every part of a pair of glasses you can break, but I have never, not once, broken or even cracked a lens. And I've worn glasses playing sports and doing heavy, physical labor. Eye glass lens glass is much stronger than you'd think and I bet stronger than plastic. The other argument is that glass is heavy. What, maybe a half ounce heavier than plastic? Big deal. Maybe it's because I'm old and not convinced that everything new is automatically an improvement but I don't see a single advantage that plastic has over glass, and not only do you get an inferior product, but you pay more for it. No thanks.

@JauGoo 3 жыл бұрын

what would you say is the average bridge width for an eyeglass frame?

@jlbeeen 3 жыл бұрын

I have two pairs, one is fixed mostly just for astigmatism and fairly standard, but I'm farsighted, and find they don't do things quite right for near use at long amounts of time. I had Activate Progressive lenses as a teen, but couldn't wear them outside very well since I couldn't see the ground when hiking, so I didn't want that, but I just got newer ones not too long ago that are whatever the new name for Activate is, but with lesser magnification, Crizal lenses, and the computer coating, which are fantastic! They're great for detailed things like hand sewing and using the computer, which is really important for online school, and thankfully insurance covered quite a bit. I like having two pairs of glasses athough it sucks that I can't wear my reading glasses with contacts in, that would be easy. But no contacts exist that are weak enough for my right eye, so having one contact lens isn't ideal for long amounts of time anyway, so I only wear it when I'm using sunglasses, or going places where I don't want to deal with glasses.

@DoctorEyeHealth 3 жыл бұрын

Wow! Such great info! Glad to hear you found something that works! I agree it is a bit frustrating that contact lenses aren't made for smaller prescriptions.

@wanmnaif5215 3 жыл бұрын

Hi Dr, can you please also elaborate on blue filter coating ? Also digital lens that comes with low addition that claimed can give some sort of ‘relax’ to the eyes ? Thanks for the great info anyway ☺️

@samueldisturbing761 3 жыл бұрын

Blue light filters improve contrast since the human eye doesn't do too well with blue light. The low addition lens he mentioned is useful for using you smartphone or reading, since you eyes don't need to adjust to the close distance (think of the lens on a camera)

@urbangardens7470 3 жыл бұрын

I would love you to do a video on Neurolens vs. standard prism lenses. TIA~

@DoctorEyeHealth 3 жыл бұрын

me too!!! I need to try out the Neurolens!

@metamoof 3 жыл бұрын

…but you stopped short of the right hand of the prescription table… what about prisms? What recommendations do you have for those of us with strabismus that are being treated with prisms?

@DoctorEyeHealth 3 жыл бұрын

That is a very good point! I might have to do a video all about prisms.

@johnmclachlan3602 3 жыл бұрын

the trouble with strong perscriptions - high index costs a fortune. And with the monopolies out there, glasses are now a major expense :(

@shreekantopticalhome6879 3 жыл бұрын

Order from India it will be cheaper

@aidanmays7825 3 жыл бұрын

Seems like someone should buy the necessary equipment and create some healthy competition

@MiteshDamania 2 жыл бұрын

Online u can get it cheap - zenni optical and a few others

@Andrea-two 3 ай бұрын

I just found your channel and not sure you talk about it but I don’t seem to be able to find glasses I can see anymore. I tried once progressive glasses but I couldn’t drive (I felt I couldn’t see) and if I had to look far I needed to lower my chin so much it was uncomfortable. I ended up going for two pairs of glasses. Now my shortsidedness has decreased but I have more astigmatism and my optician gave me two pairs of glasses I can’t see well with. Is it my eyesight too sensitive or should I change optician? How do you choose what kind of glasses is better for you? She didn’t ask much about what I needed them for.

@retroworldnews 11 күн бұрын

Is it better to get coated lens? I came to know some folks claim getting coating lens the coating will wear off if one happen to use for year wiser to get non coated lens?

@ailynbecios532 2 жыл бұрын

Doc, have a nice day. I would like to ask what is myopia lenses is? Where it is recommended on when to use this kind of eye glasses? Thank you

@johnismyname5260 2 жыл бұрын

Hi. Is pupil height needed for a single vision lens? If not, is it helpful to provide it when buying online?

@LFCKopites Жыл бұрын

Start as an Optical Assistant In 3 weeks. Subscribed.

@BeanDar 2 жыл бұрын

Really surprised you did not go into depth about real glass lenses compared to plastic. That right there deserves a whole video! Really enjoy your content sir, keep up the good work.

@rijobaabojir2779 Жыл бұрын

Glass lenses are no longer used and have no optical advantage over current "plastic" lenses. Why would a whole video be warranted over something that has become obsolete?

@Fireneedsair Жыл бұрын

@@rijobaabojir2779 they are absolutely still available and from everything I have read, offer superior optics and little scratch issues.they are heavier and more fragile though

@rjacj Жыл бұрын

I agree about the glass lenses. The plastic eye glasses that I have had get micro scratched no matter how careful you are with them.

@gedgetips Жыл бұрын

@@rijobaabojir2779 The optical clarity of real glass is far better than the index 1.60 lenses I have, which cause blurred vision when I look to the right or left, but glass lenses due not do this, except to a small extent that I hardly notice. Now, I asked around with three different outfits and each one claimed my current new glasses are normal and correct for my prescription, but in fact such plastic lenses are NOT suitable for me and I plan to go back to glass -- when I can find a source. Walmart does make glass lenses, i have been told, in my town, but need to check this out. My old glass lenses are still OK, in terms of clarity and lack of serious scratches, but my prescription has changed. My old glass glasses are over 25 years old and the FRAMES have some issues but not the glass lenses -- again, other than no longer being correct for my prescription. So, sure seems GLASS is WAY BETTER, but maybe I am missing something and still need to learn more.

@cjg635 3 жыл бұрын

Hi so I just got contacts, and the solution it came with burns my eyes it's the Bosch and Lomb biotrue solution, do you have any recommendations that won't burn when putting them in.

@NightStars1122 2 ай бұрын

I don't know if I should just get the single one (just myopia) or the prescription with the "+" also (+2.25, which is the "progessive" lens), online? I heard the progressive lens are hard to get used to, as I have always have just get the myopia lens prescription eyeglasses.