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This classification includes establishments primarily engaged in manufacturing ophthalmic frames, lenses, contact lenses, and sunglass lenses.
Use toothpaste.... takes the scratches of and makes them look brand new! (:
They are lightier and cheaper than regular sunglasses because they are made from polycarbonates.
I have used Pledge before and it usually works great on scratches.
Unfortunately, if you scratch your sunglass lenses - you will need to replace the lenses completely as the scratches cannot be polished out. If you purchase a pair of designer sunglasses from a reputable supplier, they can usually order replacement lenses for you.
It depends. Most large sunglass companies like RayBan install high-end sunglass lenses into their glasses and have been doing them for years.Do I think these lenses are better that the ones that are out now? No, but I think some eye protection is better than none.
Most sunglass frames can be fitted with prescription lenses. You probably need to visit an optometrist to get the right prescription lenses.
A polarized lens cuts more reflected glare but the actual protection of polarized lenses and G15 lenses are the same. Polarized sunglass lenses reduce glare reflected off roads, bodies of water, snow, and other horizontal surfaces where the G15 lenses do not.
Polorized sunglasses will reduce glare!Example...if you wear polorized glasses to the lake...you will be able to see into the water instead of the glare on top of the water!The uv protection isn't better or worse with polorized.......it basically does the squinting for you!Most people that spend alot of time on the water will use polorized..fishing,etc!They are great for driving to...just becareful if your window is already polorized you wont see through it, if you have polorized glasses on..it will look distorted!you wont be able to read digital clocks and stuff as well!!
You can wear your normal sunglasses if you want to be careful you can wear something a little bit stronger but you shouldn't have to change anything
For quality eyes
the color of the lenses doesn't matter. It's the amount of protection on them. Often there is a sticker on the lens when you first buy the sunglasses that will tell you the amount of protection they offer. The higher percentage, the better!