Ring for a hard contact lens and hard contact lens composite emp

Details Ring for a hard contact lens and hard contact lens composite emp Ring for a hard contact lens and hard contact lens composite emp

1998-06-03

2000-01-18

Merriam, Andrew E. C.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

523106, 523107, 351160H, 424429, 604294, G02C 704

Patent

active

060152133

ABSTRACT:
A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring.

REFERENCES:
patent: 3957049 (1976-05-01), Neefe
patent: 3973838 (1976-08-01), Page
patent: 4166255 (1979-08-01), Graham
patent: 4532267 (1985-07-01), Allan
patent: 4640941 (1987-02-01), Park et al.

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