Progressive addition lenses

Details Progressive addition lenses Progressive addition lenses

1999-09-05

2000-08-22

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 706

Patent

active

061061182

ABSTRACT:
The present provides progressive addition lens designs and lenses in which unwanted lens astigmatism is reduced as compared to conventional progressive addition lenses.

REFERENCES:
patent: 5726734 (1998-03-01), Winthrop
patent: 5861935 (1999-01-01), Morris et al.

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