WEEBER, HENDRIK A.,PIERS, PATRICIA ANN,BANDHAUER, MARK H.,VAN DER MOOREN, MARRIE H.,ZHAO, HUAWEI
申请号：
CA2741158
公开号：
CA2741158C
申请日:
2009.10.20
申请国别(地区):
CA
年份:
2017
代理人:
摘要：
An intraocular lens for providing a subjectwith vision at various distances includes an optic having afirst surface with a first shape, an opposing second surfacewith a second shape, a multifocal refractive profile, andone or more diffractive portions. The optic may include atleast one multifocal diffractive profile. In some embodiments,multifocal diffractive and the multifocal refractiveprofiles are disposed on different, distinct, or non-overlappingportions or apertures of the optic. Alternatively, portionsof the multifocal diffractive profiles and the multifocalrefractive profiles may overlap within a common apertureor zone of the optic.
