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

Technical specifications

Sunglasses of nominal power value should be 0.00D, deviations of lens manufacture or Assembly of lenses and frames, and are likely to generate vertex

Deviation (the vertex with either positive or negative) that beyond a certain range, the wearer may be distorted vision, seriously affect the wearer's vision health. Corresponds to the GB10810.1 of the eyeglass lenses 1th part: national standards table 1 requirements of single and Multifocal lenses, spherical vertex tolerance is ± 0.12D cylindrical of vertex power tolerance is ± 0.09D.