Nearsightedness: This is probably a reference to how much nearsightedness, farsightedness or astigmatism you have.
Answered 10/12/2012
5.7k views
Eye power: this is the number used to specify the lens power that the optician needs to fabricate your eyeglasses. It is different from the Snellen fraction (like 20/20) used to measure the visual level.
Answered 6/17/2015
2.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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