Patent ID: 9274351
Filing Date: 2016-03-01
CPC Classification: G02C

Claim Text:
1. Method for optimizing a postural prism to be added to a pair of ophthalmic multifocal lenses adapted to a wearer and to slow down myopia progression, each multifocal ophthalmic lens comprising at least a first and a second vision zone, the first and second vision zones being distinct, the first vision zone being adapted to a first distance vision, the postural prism being optimized so as to have the wearer gaze through the first vision zone when gazing at a target at a first distance, the method comprising: an initial pair of ophthalmic multifocal lenses providing step S a postural prism adding step S a gazing step S a gazing direction determining step S steps S the first vision zone being adapted to a near vision and the first distance corresponding to a near vision distance.