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A member asked:
What is diopter in prescription lens?
A doctor has provided 1 answer
Power designation: This is a term from optics indicating the light bending ability of the lens in question. The number is generated in the process of refraction in the ophthalmologists office, and then written on the prescription so the optical shop can make the lenses of the proper power.
Answered 10/3/2016
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Can you guys tell me how big a deal is -0.5 diopters to mis-measure?
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