plastic lens

plastic resin optical lens:
1) material:cr-39,AC,PC,
2) refractive index:N=1.499/1.56/1.6,etc.
3) surface treatment:UC/HC/HMC/EMI/UV350/400,etc
4) types:single version,bifocal,progressive
5) colours:white blank,red,purple,blue,gree,golden coating,
                   and photochormic,etc
6) power ranges:as per client's need
7) diameter:55-70mm

cr-39 or pc plastic resin lens wit index: 1. 499, 1. 551, 1. 56 etc.