distortion in vision in upper part of single vision essilor crizal lense

[vineet7182]

facing trouble with a client having prescription re -0.5/-3.5* 150 le -0.5 /-3.5*30, centered spectacle, binocular vision is perfectly fine ,only from the center part of the lens the vision is perfect but when he see from the upper part of the fitted lens there is distortion while viewing a object, kindly help .

[Robert_S]

What lens material and design did you use?

[Yeap]

what is the frame size?
some high astigmatism patient may encounter kind of distortion at certain gaze with glasses. i always try to fit them with a as small as possible frame in order to reduce the visual discomfort.

[vineet7182]

thanx @ yeap i feel the size of glasses might be a problem but for single vision patient a size of 30 mm is big, kindly give your opinion

regards

vineet

[Robert_S]

You're welcome.

[Yeap]

you are welcome. we learning from each other here..

for the frame B height it is really depend how the fitting of the patient. difficult to decide what is the best fit. any way i will always try to fit the lens as consider the monocular PD as well as the fitting height to increase patient visual comfort.

compare to your patient current frame, i think i will reduce it from 30 to 25.

[Robert_S]

That's not really solving the problem, is it?

[braheem24]

Rx axis may be off 1-2 degrees, If so central is good, Periphery will be blurry.