Cleaning, conditioning, storing and wetting system and method fo

Details Cleaning, conditioning, storing and wetting system and method fo Cleaning, conditioning, storing and wetting system and method fo

1990-07-11

1992-08-25

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 891, 514839, 514840, C11D 168, C11D 348, A61K 908

Patent

active

051416654

ABSTRACT:
A system and method for cleaning, conditioning, storing and wetting rigid gas permeable contact lenses is provided. The system includes a cleaning, conditioning and storing solution and a separate wetting solution. Both solutions contain hydrophilic disinfectants or preservatives which do not inhibit proper wetting of rigid gas permeable contact lenses. The lenses are stored in the cleaning, conditioning and storing solution during nonwearing periods. This storage also acts as a secondary or backup cleaning treatment to help remove any residual contaminants after the primary cleaning with this solution.
In accordance with another embodiment of the invention, a preservative system is provided for a contact lens solution that comprises high purity benzyl alcohol.

REFERENCES:
patent: 4543200 (1985-09-01), Sherman
patent: 4560491 (1985-12-01), Sherman
Coles, W. H. "Effects of Antibiotics On the In Vitro Rabbit Endothelium" 1975.
Grant, W. M. Toxicology of the Eye, pp. 143-144.

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