Spectacle lens

Details Spectacle lens Spectacle lens

1997-09-04

2000-05-02

Epps, Georgia

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351 41, G02C 702

Patent

active

060564016

ABSTRACT:
A spectacle lens having a geometric center includes front and rear surfaces, each formed as a refractive surface. At least one of the front and rear surfaces is formed as an aspherical surface in rotational symmetry about an axis of symmetry. The axis of symmetry is separated from the geometric center.

REFERENCES:
patent: Re17435 (1929-09-01), Tilyer
patent: 4055379 (1977-10-01), Winthrop
patent: 5050979 (1991-09-01), Shinohara
patent: 5050980 (1991-09-01), Shinohara
patent: 5270746 (1993-12-01), Kato et al.
patent: 5353072 (1994-10-01), Tejima et al.
patent: 5648832 (1997-07-01), Houston et al.
patent: 5767939 (1998-09-01), Komatsu et al.
patent: 5805263 (1998-09-01), Reymondet et al.
patent: 5825455 (1998-10-01), Fecteau et al.

Affiliated with

Also associated with

Rating

Spectacle lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spectacle lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectacle lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1588889