Patent ID: 8162478
Filing Date: 2012-04-24
Classification: G02C

Abstract:
1. A pair of progressive power lenses, comprising different right and left distance dioptric powers, wherein in a case where lens components of the pair of progressive power lenses are divided into a pair of progressive power lens components having equal right and left distance dioptric powers and addition powers and a pair of single-vision lens components having different right and left dioptric powers, in response to a ratio of displacement distances of lines of sight of right and left eyes calculated on lenses having the single-vision lens components when wearing the lenses and moving lines of sight from a front distance to a distance other than a front towards a predetermined azimuthal angle, an average dioptric power distribution and an astigmatism distribution of a lens component for a single eye or both eyes of lenses having the progressive power lens components are corrected, and thereby occurrence of aberration other than a difference of the right and left distance dioptric powers is suppressed in differences of average dioptric power and astigmatism relative to right and left lines of sight in binocular vision.