Multifocal lenses for pre-presbyopic individuals

Details Multifocal lenses for pre-presbyopic individuals Multifocal lenses for pre-presbyopic individuals

2007-01-09

2007-01-09

Schwartz, Jordan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S168000, C351S178000

Reexamination Certificate

active

10978165

ABSTRACT:
The invention provides lenses suitable for use by pre-presbyopic individuals. The lenses of the invention have one or more non-conic, aspheric surfaces having substantially no noticeable unwanted astigmatism.

REFERENCES:
patent: 5715032 (1998-02-01), Isenberg
patent: 6000798 (1999-12-01), Chipman et al.
patent: 6106118 (2000-08-01), Menezes et al.
patent: 2005/0122470 (2005-06-01), Perrott et al.

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