Crazing onTransitions lensesis often caused by exposure to heat. How can heat damage eyeglass lenses? High heat can damage eyeglass lenses in several ways. Heat can cause the anti-reflective coating and the lenses to expand at different rates. This creates crazing, a web of fine cracks that ...
Camera lenses and eyeglasses have little in common, so never use the cleaning materials you normally use on your spectacles. Some spray-on eyeglass cleaner can destroy a camera lens. Facial tissues can contain fragrances and other additives—they should never be used to clean lenses. Most camera...