Progressive addition lenses with reduced unwanted astigmatism

Details Progressive addition lenses with reduced unwanted astigmatism Progressive addition lenses with reduced unwanted astigmatism

2008-01-15

2008-01-15

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S169000

Reexamination Certificate

active

10870114

ABSTRACT:
The invention provides lenses in which the maximum unwanted astigmatism is reduced and distributed over a wide area.

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E. Masura et al., Visual Acuity Remedying Device Using Two Progressive Multifocus Lenses, DialopIP, 63-254415, Oct. 21, 1988 (Abstract only).

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