Gold Index: 2199
Changchun Ji Xiang Optoelectronic Co., Ltd [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Changchun Province/State: Jilin Country/Region: China (Mainland)
toric lens
as drawing
Two different radius are in a surface.A surface of the lens with composite concentric annular and many focus of complex surfaces.
2013-06-08
bitoric lens
Two different radius are in everyone surface. Two surface are both so that.Single lens with both surfaces are complex surface.