Hard/soft superposition progressive lens design

Details Hard/soft superposition progressive lens design Hard/soft superposition progressive lens design

1996-01-19

1998-03-10

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

G02C 706

Patent

active

057267340

ABSTRACT:
A progressive ophthalmic lens is presented which is a linear composite of a hard lens design and a soft lens design resulting in a composite lens which combines features of the visual utility of a hard lens design with the visual comfort of a soft lens design.

REFERENCES:
patent: 4056311 (1977-11-01), Winthrop
patent: 4861153 (1989-08-01), Winthrop
patent: 5123725 (1992-06-01), Winthrop
patent: 5285222 (1994-02-01), Waido

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