Hydrophilic contact lens case

Details Hydrophilic contact lens case Hydrophilic contact lens case

1975-07-21

1978-10-31

Hart, Ro E.

Special receptacle or package

For eyeglass or spectacle

Contact lens

351160H, A45C 1104

Patent

active

041229428

ABSTRACT:
A hydrophilic contact lens with at least the surfaces formed of a high molecular weight synthetic polymer, is treated by exposure to a plasma of an inert gas under near-vacuum conditions. The treated lenses are stored in aqueous solution held in a plastic storage case, at least the interior surfaces of the storage case having also been treated with the inert gas plasma to also render its interior surfaces hydrophilic.

REFERENCES:
patent: 3414117 (1968-12-01), Leeds
patent: 3431046 (1969-03-01), Conrad
patent: 3520949 (1970-07-01), Shepherd
patent: 3532679 (1970-10-01), Steckler
patent: 3536040 (1970-10-01), Pickett
patent: 3695280 (1972-10-01), Sturgeon
patent: 3767790 (1973-10-01), Guttac
patent: 3895169 (1975-07-01), Wichterle

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