Developed as a drop-in replacement for traditional methanol-based coatings, PPG's new PPG HI-GARD® Non-Methanol hard coating for 1.5 standard index ophthalmic lenses enables prescription lens makers ...
These days, buying eyeglasses can be complicated—especially if you’re looking for options beyond those your eye doctor sells. You can, instead, take a copy of your prescription (you’re legally ...
The types of lenses you choose can make a big difference in the quality of your eyeglasses. Depending on what your eye doctor advises, some people can get along just fine with basic plastic CR-39 ...
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