发明公开
EP2634619A1 Multi-axis lens design for astigmatism 审中-公开
。。。。。。。。。。

Multi-axis lens design for astigmatism
摘要:
A toric contact lens utilizes concentric annual rings, a continually varying lens design as a function of distance from the lens center or any other function to create a range of cylinder axis zones on a single lens.
信息查询
0/0