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2
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3
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Does using thinner glasses have any effect on how the eye look?
My daughter asked me to buy thin glasses for her eyes. So the power of the lenses are the same, but the glasses are thinner because the glasses use plastic with higher refraction index.
Latter I found ...
-4
votes
1
answer
86
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Why aren't negative diopter glasses invisible?
If the diopters of a set of glasses determine the thickness, and higher diopters determine a thicker glass, why aren't negative diopter glass lens invisible?