Spectacle lens

Details Spectacle lens Spectacle lens

2006-05-09

2006-05-09

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

Reexamination Certificate

active

07040758

ABSTRACT:
There is provided a spectacle lens, which includes a central portion that is located at a middle section of the spectacle lens, average transmission power within the central portion being substantially constant, an upper portion that is located on upper side of the central portion, average transmission power within the upper portion changing continuously from a lower end of the upper portion to a top end of the spectacle lens, and a lower portion that is located on lower side of the central portion, average transmission power within the lower portion changing continuously from a top end of the lower portion to a lower end of the spectacle lens.

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