Composite ophthalmic lenses and their manufacture

Details Composite ophthalmic lenses and their manufacture Composite ophthalmic lenses and their manufacture

1992-07-01

1994-08-30

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351163, 351166, 351177, G02C 702

Patent

active

053432606

ABSTRACT:
This invention is directed to the fabrication of composite lenses consisting of a transparent thermoset polymer exhibiting an index of refraction of at least 1.58 and a thin glass element of essentially constant thickness adhered to the front surface of the polymer without the use of an adhesive, the glass element having a thickness not exceeding 0.3 mm and the thermoset polymer being an aromatic epoxy resin.

REFERENCES:
patent: 3391053 (1968-07-01), Kolb
patent: 3940304 (1976-02-01), Schuler
patent: 3970362 (1976-07-01), Laliberte
patent: 4268134 (1981-05-01), Gulati et al.
patent: 4495015 (1985-01-01), Petcen
patent: 4679918 (1987-07-01), Ace
patent: 4793703 (1988-12-01), Fretz
patent: 4838673 (1989-06-01), Richards et al.
patent: 4865670 (1989-09-01), Marks
patent: 4915495 (1990-04-01), Takeuchi
patent: 4923758 (1990-05-01), Marks et al.
Bausch & Lomb, Ophthalmic Lenses Their History Theory-And Application, p. 21 (1935).

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