Multifocal ophthalmic lens pair

Details Multifocal ophthalmic lens pair Multifocal ophthalmic lens pair

1994-05-20

1996-01-16

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 704

Patent

active

054852285

ABSTRACT:
A pair of ophthalmic lenses both containing at least two optical powers, one for near vision and one for distance vision are described, both containing in the center portion of the lens the distance optical power. In the preferred embodiment, the remainder of the lens is comprised of annular portions made up of one or more optical zones to provide the desired combined, cumulative ratio of near and distance focal length areas at each pupil diameter. The distance portion located in the center is appropriately suited to the real world situation of requiring distance vision under high illumination situations.

REFERENCES:
patent: 4704016 (1987-11-01), de Carle
patent: 4890913 (1990-01-01), De Carle et al.
patent: 4923296 (1990-05-01), Erickson
patent: 5002382 (1991-03-01), Seidner
patent: 5024517 (1991-06-01), Seidner
patent: 5056909 (1991-10-01), Brown
patent: 5151723 (1992-09-01), Tajiri

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-313013