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A member asked:
What do you suggest if my glasses are about 650 degrees. convert to (20/x)?
A doctor has provided 1 answer
Vision vs power: The "20/" nomenclature is a measurement of your vision whereas the 650 is probably the power of the glasses. It should be -6.50 or +6.50 Either way, a person with glasses this strong would see very poorly without glasses.
Answered 9/29/2016
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