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need help picking lens

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need help picking lens

Postby numba1guju on Tue Dec 08, 2009 3:36 pm

My prescriptions reads as

OD: sphere -8.25, cylinder -1.25, axis 015
OS: sphere -7.75, cylinder -1.50, axis 170

what lenses do you guys recommend for visible clarity and thinness?
numba1guju
 

Re: need help picking lens

Postby numba1guju on Tue Dec 08, 2009 5:29 pm

numba1guju wrote:My prescriptions reads as

OD: sphere -8.25, cylinder -1.25, axis 015
OS: sphere -7.75, cylinder -1.50, axis 170

what lenses do you guys recommend for visible clarity and thinness?


I forgot to add, i was trying to choose between the 1.67 high index and the 1.74 ultra high index, which would be better for my prescription?


thanks in advance
numba1guju
 

Re: need help picking lens

Postby Liz on Wed Dec 09, 2009 2:38 pm

Hello and thank you for your question.

For your prescription I would recommend either 1.67 high index or 1.74 ultra high index lens material.

1.74 pros: the thinnest lens material
comes with AR coating that eliminates side reflections and double images
cons: it comes only in clear form

1.67 pros: can be easily tinted
relatively thin lens material (comparing to glass, CR-39 and polycarbonate)
cons: little bit thicker than 1.74
if you would like to get AR, you will need to add it separately

To summarize, I would recommend you to choose 1.74 if you are looking into buying eyeglasses, and 1.67 if you would like to purchase prescription sun glasses.
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Re: need help picking lens

Postby numba1guju on Wed Dec 09, 2009 9:33 pm

Liz wrote:Hello and thank you for your question.

For your prescription I would recommend either 1.67 high index or 1.74 ultra high index lens material.

1.74 pros: the thinnest lens material
comes with AR coating that eliminates side reflections and double images
cons: it comes only in clear form

1.67 pros: can be easily tinted
relatively thin lens material (comparing to glass, CR-39 and polycarbonate)
cons: little bit thicker than 1.74
if you would like to get AR, you will need to add it separately

To summarize, I would recommend you to choose 1.74 if you are looking into buying eyeglasses, and 1.67 if you would like to purchase prescription sun glasses.


Whats the brand of the 1.74 high index? and how much thinner do you think the eyeglasses would be in the D&G dd5034(between the 1.67 and 1.74)?
numba1guju
 

Re: need help picking lens

Postby Liz on Thu Dec 10, 2009 12:43 pm

The difference in thickness will not be that significant in your Rx (probably even less than half millimeter). 1.67 is a good choice if you do not need AR and would like to save some money. As far as the brand, it is Varilux both for 1.67 and 1.74.

You can purchase D&G eyeglasses DD 5034 here

http://www.opticsplanet.com/d-g-eyeglas ... enses.html
Liz @ OpticsPlanet

Sunglasses Store

Prescription Sunglasses Store
Liz
 
Posts: 590
Joined: Thu Dec 20, 2007 4:40 pm
Location: Chicago, IL