How to convert Spectacles prescription into contact lens prescription part 1

[@optitechnoopticianskurunegala]

I used Distometer conversion scale to find CL power... I learned the formula now by your video. Thank you sir..!

[@optometrywithkhurram6867]

Nice 👍

[@Rakesh66300]

Thanks a lot, sir!!. I am from nonoptometry background but I started to learn the basics with your videos. Now I feel proud that I know something about optometry!!!

[@optometrywithkhurram6867]

Good. Hardworking is the key. Keep your learning up.

[@joe8072]

Sir please wat about 12mm as BVD , is one wrong using it, since BVD is constant? If u have a spherical value of less than or equal to + or - 2.00, must u do the math wen changing to contact lens? Sir please wen do u use 12mm and 14mm since BVD is constant? Thank u.

[@VGR176]

I can able to see with single eyes clearlyby closing each eye..but if i see vision in both eyes i am getting too blurness..what can be the problem sir?

[@pranjalkalita4477]

Can i use my Rgp contct lens now aftr 7years.is it ok to use now in 2024? ? I was using bck in 2017.

[@ravibhatt6340]

Sir mene thode time se contact lense pehnna suru kiya h ..but i feels likw... Contact lenses me muje left eye se sab dikhta h ekdm clear...but jab nikalke chasma pehnata hu to Usme blur vision aa rha h....thoda bahot...aisa kyu ??? shayad half number ka differ ho skta h lekin....kafi had tk chasme se blur dikh rha

[@zertteo4590]

Sir, where was the 1 came from? I knew that it is constant but what exactly it is

[@brianno27]

so it's minus 50. if i have spectacle of -4.50. i will get -4.00 contact lense.

[@ItsPainnz]

yes but also it can be different per patient. a CL is way smaller than a regular opth lens so it takes way less time for the light to hit your eye one two there is inherenty less distortion with contact lenses which is why those who need lenticular or myo go for a hard contact. You get the peripheral vision but its less power sometimes the same exact power as a spectacle RX.

[@humakhalid423]

Why back vertex distance is not effective if the spectacle power is less than 5 dioptre ? Why ocular refraction decreases if the spectacle refraction is negative? Why ocular refraction increases if the spectacle refraction is positive?

[@sahibzadahabibullah481]

Sir ager only cylinder ho pir kasa convert karanga high cylinder ho

[@dr.malikaqeel5631]

Great explanation sir

[@optometrywithkhurram6867]

Thankyou

[@optopediaeverythingeye2416]

How to measure Back Vertex distance of the patients eye?

[@wearetheborg]

how this is possible when my doctor said +1 contact lense equal +0.75 glasses? when i do the math i get 0.758 in the end something is wrong

[@MushtaqAhmed-fr8ku]

Very informative

[@rukkun6845]

Thank you sir, waiting for next video

[@optometrywithkhurram6867]

Will upload soon

[@florenceeshun9953]

​@@optometrywithkhurram6867 R: -1.25/-2.50 @ 3 L: -3.75/-2.25@174 How can I convert the prescription to contact lens form ? Please

[@ItsPainnz]

i always knew it was this easy. thank you.

[@rajamehran8224]

This is what i searching for Thanks

[@optometrywithkhurram6867]

Enjoy.

[@Fantasypicks123]

Where you from?

[@dtirupati926]

I have passed out from college ..so now i can learn again.

[@optometrywithkhurram6867]

Sure . good luck

[@dtirupati926]

@@optometrywithkhurram6867 thanks a lot sif.lots of respect for you.

[@mansidesai9457]

Don’t we have ready to use charts for the same instead of doing this calculation ?

[@ItsPainnz]

nah because power of a lens is different when you change the distance from the eye and how small a CL is compared to a full size opth lens. Some people have the exact same CL rx as Spec RX. It can be a guessing game

[@akkusingh8372]

Thanku so much sir 🙏🙏

[@optometrywithkhurram6867]

welcome

[@tomcruise9317]

Wow genious

[@saimanikantamadduri9509]

Please do the video toric priscription sir

[@optometrywithkhurram6867]

kzbin.info/www/bejne/r3qTgoJ4pLegj5I Enjoy

[@khadijatulqubra200]

Toric prescription ka bi batayein

[@optometrywithkhurram6867]

Will upload tonight

[@Russiagarnold-vropx72]

Thank you so much

[@aneeshanaseem2235]

👍👍👍👍👍

[@yashberde]

If I have -3 glasses so what would be my lens number

[@Greenacres1958]

Charts converting glasses to contact prescription

[@riyagupta9422]

2nd part

[@optometrywithkhurram6867]

kzbin.info/www/bejne/r3qTgoJ4pLegj5Isi=m0nuGsORXzO2msHg

[@Gameco-125]

Sir plz Urdu meain b

[@optometrywithkhurram6867]

InshaAllah