Method for cleaning soft hydrophilic gel contact lenses

Details Method for cleaning soft hydrophilic gel contact lenses Method for cleaning soft hydrophilic gel contact lenses

1977-06-09

1978-06-27

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

134 42, 252136, 252DIG12, 264 1, B08B 308

Patent

active

040968707

ABSTRACT:
Proteinaceous material on the surfaces of hydrophilic gel contact lenses is removed by contacting the lenses with an aqueous suspension of pancreatin without absorption of pancreatin into the lens structure. Pancreatin is formulated as tablets using sodium chloride and boric acid as binding agents thus providing a convenient, measured amount of pancreatin for cleaning a single pair of contact lenses.

REFERENCES:
patent: 3697451 (1972-10-01), Mausner et al.
patent: 3723327 (1973-03-01), Kampen et al.
patent: 3798181 (1974-03-01), Vazquez
patent: 3855142 (1974-12-01), Pader et al.
patent: 3910296 (1975-10-01), Karageozian et al.
patent: 3962107 (1976-06-01), Levin et al.
The Merck Index, 8th ed., 1968, p. 780.

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