Use Your Prescription To Save You Money
March 13th, 2010 by tf
On a usual prescription glasses prescription, you’ll see 2 sets of rows. Customarily top portion is for your OD or right eye whereas the underside portion is for your OS or left eye.
For Distance adjustment, there should invariably be a value under Sphere and customarily it is negative. Its abbreviation is ‘D.V.’ which stands for [...]
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