| | Buyer's Guide to Polycarbonate Eyeglass Lenses for Active Adults and Children Who Need Impact Resistant Lenses - ... |
 | | Polycarbonate lenses are actually constructed out of material that is identical to what is called "bulletproof glass." Polycarbonate has also been used for astronaut helmet shields and space shuttle windshields. |
| | Polycarbonate lenses are safer for eyeglasses than traditional lens materials because they aren't brittle. |
| | Polycarbonate lenses will protect eyes from many hazards in the workplace or at home, but if they are placed in a frame that is not safety rated, the eyeglasses cannot be considered safety glasses under the law. |
| www.allaboutvision.com /lenses/polycarb.htm (990 words) |
