Lens crazing is the spider web-like effect that can occur when your glasses' special lens coating gets damaged through exposure to extreme temperatures. Crazing can happen to the anti-reflective coating on eyeglass lenses, making the world appear fuzzy when looking through the lenses. Anti-reflecti...
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...