Tel: +86-13906023008


A-Vision Optical Co.,Ltd
Address:9E-2,Jingyuan Building,Hubing South road 57#,Xiamen 361004,China
Contact: Miss Christina 

         Miss Betty
Contact phone: 86-592-2287778
Mobile phone: 86-13906023008
Fax: 86-592-2287778
Skype: Christina-eyewear

Anti-UV coating

Some of the most serious causes of eye diseases are: ultraviolet rays. According to the frequency and wavelength, ultraviolet light is divided into two types: UVA and UVB.

As a natural eye-protection mechanism, the cornea of the eye can take in all of the UV-b and the majority of UVA. However, is also part of the UVA reaches the lens of the eye. Absorbs UV-a long time may cause cataracts, a small amount of UVA across the cornea to the retina can lead to macular degeneration, macular degeneration is the main cause of blindness in people over the age of 65. Prolonged exposure to strong ultraviolet light causes eye cancer or Actinic keratitis, or retinal burns. This often happens in the winter snow in sunny outdoor, snow reflects the sun glare, thus often called snow blindness.

Sunglasses have a good anti-UV coating, ultraviolet radiation can be eliminated, you must ensure that your sunglasses are absolutely filters two types of ultraviolet rays. Sunglasses should be indicated on the label of the sunglasses can provide a degree of UV protection, and all you need is the 100% protection.