Near or Far: What Does 20 40 Vision Mean?
Posted by: Kentucky Eye Institute in Vision Care
They say hindsight is 20/20, but what is 20/40? If you’re amongst the two out of three Americans who use vision correction in some way, you may be familiar with these kinds of ratios. Or, you may be completely unfamiliar, especially if you’ve never looked at the prescription your doctor has given you. In this…
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