Contact lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

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Details

G02C 704

Patent

active

045617376

ABSTRACT:
A contact lens has a rear surface, a front surface and a peripheral edge surface extending between the front and rear surfaces. The peripheral edge surface extends generally forwardly and obliquely from the rear surface to the front surface. The invention is more particularly, but not exclusively, applicable to flexible contact lenses, such as contact lenses manufactured of silicone and similar materials, for example.

REFERENCES:
patent: 4165158 (1979-08-01), Travnicek
Watkins, J. R.; "The Variables in the Anatomy of Contact Lens Edges"; Contacto; Nov. 1976; pp. 8-11.

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