Patent ID: 9638937
Date: 2017-05-02
CPC Classifications: B29D,G02C,G06Q

Claim:
1. A spectacle lens, comprising: specific first and second reference points, and eye point between the first and second reference points, with each point defined on a primary meridian; and a power variation portion where a power is continuously varied from the first reference point to the second reference point, wherein the spectacle lens is configured to satisfy a distance power at the first reference point based on specific prescription information, and satisfy a near power at the second reference point based on the prescription information, the eye point is a point for distance vision, and the spectacle lens is a progressive addition lens in which a power is progressively varied in the power variation portion, a maximum addition power difference is 0.03 D or less in a circle of radius 4 mm with the first reference point as a center, and/or a maximum addition power difference is 0.06 D or less in a circle of radius 4 mm with the eye point as a center, a maximum addition point on the primary meridian is a point deviated to an opposite side of the eye point from the second reference point, and a maximum addition is higher than an addition at the second reference point.