HOLDEN, BRIEN ANTHONY,SANKARIDURG, PADMAJA RAJAGOPAL,EHRMANN, KLAUS,CONRAD, FABIAN,HO, ARTHUR
申请号：
EP13863317
公开号：
EP2929393A4
申请日:
2013.12.10
申请国别(地区):
EP
年份:
2016
代理人:
摘要：
The present disclosure is directed to lens, methods of making, designing lens and/or methods using lens in which performance may be improved by providing one or more steps in the central portion of the optical zone and one or more steps in the peripheral portion of the optic zone. In some embodiments, such lens may be useful for correcting refractive error of an eye and/or for controlling eye growth.
