Optical Cross in Refraction

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Пікірлер: 44

@laibazafar5999 4 ай бұрын

What is the difference between progressive lenses and progressive glasses

@lotiveme3578 2 ай бұрын

Thank you for explaining it so well!!

@optometry-with-samir 2 ай бұрын

Stay with us and share with your friends. Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store. Thank You, Samir Sutradhar.

@mohan4019 11 ай бұрын

A. +5.0/-3.50X90

@optometry-with-samir 11 ай бұрын

You are right. Stay with us and share with your friends. Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store. Thank You, Samir Sutradhar.

@mdhedayatkhan960 11 ай бұрын

K1 is Horizontal meridian K2 is Vertical meridian.

@rajeshtripura725 5 ай бұрын

Why not subtract working Distance power in this video? Or performed with WDP?

@optometry-with-samir 5 ай бұрын

Here we are discussing about the mechanisms of Optical Cross.. Watch Details about "Retinoscopic Power calculation" here: kzfaq.info/get/bejne/irN9Z9x4xtKpmZ8.htmlsi=M0PEBUgPlPBpGEeb

@prasannashetty2526 10 ай бұрын

If u take +1.50 as a spherical value Than the ans is +1.50/+3.50@180 right?

@optometry-with-samir 10 ай бұрын

Yes... you are right. Stay with us and share with you friends

@katylewis7118 11 ай бұрын

Can you explain What serve bilateral ganglion cell depletion is please

@optometry-with-samir 11 ай бұрын

Ganglion cell depletion in the retina can be caused by a variety of factors, both genetic and acquired. Some potential causes of ganglion cell depletion include: Glaucoma, Optic nerve diseases, Retinal Degeneration, trauma, aging, vascular disorder etc...

@katylewis7118 11 ай бұрын

My son is 19 an his vision went blurry 8 months ago before this vision was perfect his vision is 6/240 in his better eye. Eyes are healthy he is having repeated tests to see if he as leber or cone dystrophy he had a prescription test and glasses won't help. his b12 and foliate test came back OK he is really struggling right now with this

@optometry-with-samir 11 ай бұрын

@@katylewis7118 You said 8 months ago vision was perfect. How do you know his vision was perfect? Did you check his vision then(months age before vision starts blurry)? Write his spectacle power

@katylewis7118 11 ай бұрын

@@optometry-with-samir He didn't have an eye examination but says he didn't struggle to see or read he passed his all his digger tests first time he was a apprentice groud worker and was able to read directional signs whilst having driving lesson. He went out one day and noticed he couldn't read street signs and this caused him to book a eye test he said everything Is blurry his optician said his eye are healthy and were concerned about what was happening behind his eyes. I don't know his specitcle power hs had a test which numbs his pupils and they said glasses won't help him

@optometry-with-samir 11 ай бұрын

@@katylewis7118 You should consult with a retina specialist. Even if retinal issues are there vision therapy can improve his functional vision.

@Skgyan334 11 ай бұрын

Sir ETO me kitane form fill hua hai

@santhieswari8537 9 ай бұрын

Sir we can choose the 4th one also am i right

@optometry-with-samir 9 ай бұрын

Q-1: Answer is option A. +5.0 /-3.50 X 90. If we transpose it it will be +1.50/ +3.50 x180. So, option 4th is not right in both conditions. Please watch the again.

@sunrise6265 7 ай бұрын

599 Indian Rs? For DHA course? As i am from Pakistan

@optometry-with-samir 7 ай бұрын

Indian rupees.. Download our App and explore the courses. That is made for Optometry students only. Further queries: samirsutradhar0@gmail.com

@yadavarti8743 10 ай бұрын

Option A .-5.00/-3.50 ×90°

@optometry-with-samir 10 ай бұрын

Stay with us and share with your friends. Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store. Thank You, Samir Sutradhar.

@shwetashah6609 25 күн бұрын

WD subtract karna padega na ? Kaun sa procedure hai jisme WD subtract nhi karna pade😊

@optometry-with-samir 25 күн бұрын

Here, we are not discussing about Retinoscopic power calculation. Here we explaining how to convert spectacle power into optical cross and optical cross into spectacle power. Watch how to calculate Retinoscopic power in this video: kzfaq.info/get/bejne/irN9Z9x4xtKpmZ8.htmlsi=PSOjZns9yiVsRBBr

@swagatooptom 12 күн бұрын

Option A. +5.00/-3.50*90

@optometry-with-samir 11 күн бұрын

@@swagatooptom You are right. Stay with us for more

@MalikHaqiq-dv5me 3 ай бұрын

Why ans can't be C?

@optometry-with-samir 3 ай бұрын

Watch the video again please... Axis is 90° apart from meridian that's why option C is not correct. Watch this video how to calculate Retinoscopic power: kzfaq.info/get/bejne/irN9Z9x4xtKpmZ8.htmlsi=LjSMTpQNkthr2SVD

@mandeer8915 11 ай бұрын

+1.50Ds/+3.50×180

@optometry-with-samir 11 ай бұрын

Correct Answer is option A. +5.0/-3.50 x 90° But with simple transportation your answer is also correct.....

@safaaalkhfaji7967 11 ай бұрын

Same results if you do transposition

@VivoVivo-ni6qe 10 ай бұрын

@optometry-with-samir 10 ай бұрын

@@VivoVivo-ni6qe You are right. Stay with us and share with you friends.

@EyeMD476 3 ай бұрын

@firozahmed4916 10 ай бұрын

+5.00/-3.50x90*

@optometry-with-samir 10 ай бұрын

You are right. Stay with us and share with your friends. Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store. Thank You, Samir Sutradhar.

@sunrise6265 7 ай бұрын

DHA past papers py videos banai sir . Everyone watches those videos. The book is pretty expensive, i think 69$ but it will help a lot to poeple and to this channel. *Prometric Optometry book*

@optometry-with-samir 7 ай бұрын

For DHA we have a course just in 599rs. Already 100+ students are preparing with that course and 10+ students passed the DHA exam with that course. Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store. Thank You, Samir Sutradhar.