Progressive power ophthalmic lens

Details Progressive power ophthalmic lens Progressive power ophthalmic lens

1990-01-23

1992-11-24

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 706

Patent

active

RE0341320

ABSTRACT:
An improved ophthalmic lens for presbyopia is disclosed in which the refractive power is progressively changed to provide a natural visual target arrangement. In the [opthalmic] ophthalmic lens, rotation of the head of a wearer for binocular lateral vision is taken into account to permit comfortable binocular lateral vision closer to vision with the naked eyes.

REFERENCES:
patent: 3785724 (1974-01-01), Cretin-Maitenaz
patent: 4307945 (1981-12-01), Kitchen et al.
patent: 4606622 (1986-08-01), Fueter et al.

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