How to convert diopters to visual acuity. This is only an estimate. It only works on negative diopters.
(Diopter times Diopter) plus 1.1 times (20)
For example: Pretend your prescription is -0.25D...
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How to convert diopters to visual acuity. This is only an estimate. It only works on negative diopters.
(Diopter times Diopter) plus 1.1 times (20)
For example: Pretend your prescription is -0.25D...