Patent ID: 8534832
Filing Date: 2013-09-17
Classification: G02C

Abstract:
1. An ophthalmic lens, comprising: a progressive optical power region having a channel, said progressive optical power region providing a far distance vision zone, an intermediate distance vision zone and a near distance vision zone; and unwanted astigmatism regions with at least one region positioned adjacent to a first side of the channel and at least a second region positioned adjacent to a second side of the channel, wherein astigmatism vectors within the unwanted astigmatism regions between a first portion and a second portion of a total add power of the ophthalmic lens and between a first unwanted astigmatism level on each side of the channel and a second unwanted astigmatism level on each side of the channel are parallel to the channel to within 30 degrees, and wherein the first portion of the total add power of the ophthalmic lens is approximately 10%, and the second portion of the total add power of the ophthalmic lens is approximately 85%.