| Lens coatings such as ultraviolet coating, anti-reflective | | | | wearer’s eyes. AR coating on the front surface of |
| coating, mirror coating and scratch-resistant coating | | | | a sunglass lens results in smeary look because of the |
| can improve the performance and appearance of | | | | lens’ darkness. AR coatings are beneficial to all |
| lenses. | | | | people, especially those who spend much time in front |
| Cataracts, retinal damage and other eye problems are | | | | of TV. |
| associated with UV overexposure. Currently, almost all | | | | Sometimes called flash coating, a mirror coating is |
| sunglasses are applied with a UV treatment to block | | | | extremely reflective, which is profoundly different from |
| out harmful UV rays. UV protection is essential to your | | | | a clear anti-reflective coating. Mirror coatings are |
| eye health during outdoor activities. An UV treatment is | | | | simply cosmetic that provide special appearances. |
| invisible so that it does not affect the lens’ natural | | | | Today, mirror coatings in colors such as rainbow, silver, |
| appearance. Polycarbonate has an inherent anti-UV | | | | gold and copper metallic can be applied to the front |
| property. | | | | surface of sunglasses. Only other people can see |
| Similar to microscopes and camera lenses, eyeglass | | | | these colors, rather than the wearer. |
| lenses can also benefit from anti-reflective (AR) | | | | Scratches on lenses are common, which can result |
| coatings, which improve both vision and lens | | | | from dropping on the floor or regular lens cleaning. A |
| appearance. In most cases, both the front and back | | | | clear, hard coating named scratch-resistant coating is |
| lens surfaces are applied with AR coatings. Each of | | | | usually added to the front surface of eyeglass lenses |
| the AR coating’s several layers of metal oxides | | | | in most materials to improve their scratch resistance. |
| blocks reflected light. As a result, both internal and | | | | Since no lens material is born with scratch resistance, |
| external reflections can be reduced. In addition, AR | | | | many manufacturers produce lenses with built-in |
| coating can also minimize bothersome glare, halos | | | | scratch-resistant coatings. Even with protective |
| around lights. Better vision and natural eye appearance | | | | scratch-resistant coating, you should also take proper |
| can be achieved. Sunglass lens producers always | | | | care of your eyeglasses, such as using a microfiber |
| apply AR coating only to the back surface of the lens | | | | cloth and recommended cleaning solution. |
| in order to prevent reflections from entering the | | | | |