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Overall, I find Gunnar Glasses to be a great product for the price! They have a number of frame and lens combinations to choose from and will certainly keep your eyes comfortable and protected. Furthermore, their rebate is comparative to industry standards and the company keeps evolving as new technology comes out.What lenses are best for prescription glasses?
Looking at Lenses. The two best-selling eyeglass lenses are the most basic ones: CR-39 and the polycarbonate, both plastic. (Few people now use glass, which is heavy and breakable.) If you have a single-vision prescription (glasses to see far away or close up), you can generally get by with CR-39 lenses.Can you get glasses without a prescription?
The only way I know of getting new prescription glasses without an optometrist is through an opthamologist, unless the prescription you have is under two years old. Then you can go anywhere that sells prescription glasses. Of course if the lenses you have are still good you can always have them put in new frames.What is the highest prescription for glasses?
The glasses with the thinnest lenses possible for high prescriptions are likely going to be high index 1.90 glass lenses glasses. 1.90 is the highest index lens material available on the market today, and it comes in glass, not plastic.