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What strength glasses should you pay for thinner lenses

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admarlow_ | 08:03 Thu 29th Sep 2011 | Body & Soul
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Hi, I have -2.75 power lenses and I am getting thick Wayfarer style plastic frames. Should I pay the extra £40 to get the 1.6 thinner lenses or is it not worth it with only -2.75 power?
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If it's purely for myopia (no astigmatism) then I'd say, don't bother.
I would say not worth it - but ask the optician to show you a simialr prescription made up in that type of frame. because a lens for looking into distances is thicker on its outer edges than the centre, then the bigger the lens, the thicker the edge
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Im buying off the internet as its 1/2 the price so I can see first and yes i don't have an astigmatism
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Is it better to pay for 1.6 lenses OR Crizal Alize+ coating?
TThe main difference between the 1.6 and the standard cr39 lens for your prescription is the edge thickness. This may be masked by the style of frame if it is thick enough. The larger the frame the larger the lens and the thicker the edge. I'd get it.
IMO, the more you pay, the thinner the lens.... one of my eyes is -6 diopters so potentially very thick lenses at the outer edges - I opted for Zeiss lenses which cost more but which are much thinner. As I wear them all day every day, I felt it was worth it.
IMHO hi index lenses are better for those -2.00 and over depending on frame selection .
I'm with boxtops.

My prescription is so strong, that even with Zeiss lenses i am restricted to the type of frames that will support my lenses.

I am of the opinion that if you wear something throughout your waking hours, you should get the best you can. if you compare it with the price of a car, which you drive some of the time, it makes good sense to have the best glasses you can afford - and get them insured, very cheap, but worth it if anything happens to them.
"I am of the opinion that if you wear something throughout your waking hours, you should get the best you can."
I agree, and wear 1.67 varifocals, But to assume that a lens is better just because it has a higher refractive index (and is therefore thinner) is not correct. The higher the index, the higher the chromatic aberration. So if you can get a decent thickness at a lower index, you are better off saving your money.

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