1. 523 Bifocal Round Lens

we are a professional manufacturer of all kinds of optical lenses and frame in China.if you are in the market for our products, please feel free to contact with us now, we list some basic features of 1.523 bifocal round lens as follows:1) Nd=1.5232) Power range:a) Sph: 0.00 ~+3.00b) Cyl: +0.25~+3.003) Diameters: 70/28mm
1. 523 Bifocal Round Lens