Fenestrated hydrogels for contact lens use and method for making

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

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Details

351177, 264 1, G02C 704, B29D 1100

Patent

active

040689336

ABSTRACT:
A process for the reproducible manufacture of fenestrated hydrogels is described whereby unpolymerized hydrogel monomers are cast, polymerized in the mold and fenestrations produced in situ.

REFERENCES:
patent: 3220960 (1965-11-01), Wichterle et al.
patent: 3699089 (1972-10-01), Wichterle
patent: 3767759 (1973-10-01), Wichterle et al.

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