Protective eyeglass assembly having a unitary, decentered lens p

Details Protective eyeglass assembly having a unitary, decentered lens p Protective eyeglass assembly having a unitary, decentered lens p

1997-10-24

2000-03-14

Epps, Georgia

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351 41, 351106, 351116, G02C 702, G02C 104, G02C 514

Patent

active

060363126

ABSTRACT:
A protective eyeglass assembly includes a unitary, decentered lens piece integrally molded from a transparent plastic material. The lens piece includes left and right lens panels connected by a central bridge portion. The left and right lens panels each have a lens body with a front surface and a rear surface, the front and rear surfaces defining a lens thickness therebetween. The front surface conforms substantially to a portion of the surface of a sphere having a first center whereas the rear surface conforms substantially to a portion of the surface of a sphere having a second center. The first center and the second center are offset from one another to taper the lens thickness. A frame supports the lens piece on a wearer. Alternatively, temple bars can be hingedly mounted directly onto the lens piece for supporting lens piece on the wearer.

REFERENCES:
patent: 5000558 (1991-03-01), Blackstone
patent: 5208614 (1993-05-01), Jannard
patent: 5530490 (1996-06-01), Canavan
patent: 5614964 (1997-03-01), Garneau
patent: 5648832 (1997-07-01), Houston et al.
patent: 5796461 (1998-08-01), Stepan
patent: 5825455 (1998-10-01), Fecteau et al.
patent: 5907868 (1999-06-01), Schleger et al.

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