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A member asked:
What enables some people to have better eyesight than others?
A doctor has provided 1 answer
Eye shape: Assuming no pathological processes affecting the antomy of the eye, it is the shape of the eye (curvature of the cornea, state of the lens, length of eyeball) that dicates the refractive needs of an eye. Some people need glasses and some don't. These are largely inherited traits.
Answered 10/21/2012
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