Toray Industries, Inc.

Hideki Kenjo

Mitsuru Yokota

Tsutomu Goshima

Tetsunosuke Kunitomo

Shuji Fujioka

Kazushige Komaki

Syoji Nagaoka

Shinzo Ohkado

Hiroshi Tanzawa

Teruo Jyono

Takeshi Yoshioka

Shinzo Ohkada

A contact lens cleaning system, process and kit includes an aqueous chlorite solution and a solid component including an agent for accelerating decomposition of chlorite and an oxygen consumption agent. The chlorite decomposes to form free oxygen which removes impurities from a lens to be cleaned. The oxygen consuming agent prevents excess free oxygen from attacking the lens after the impurities have been removed.

Cleaning system for contact lenses and process for cleaning the same

A soft contact lens is provided by: pouring an excess amount of an original solution for producing a soft contact lens into a concave mold; placing a convex mold on said concave mold and overflowing the excess of said original solution to thereby uniformly fill said original solution in a space between said concave mold and said convex mold; gelling said original solution between the two molds to form therebetween a lens having a tensile strength of at least about 0.1 kgf/cm.sup.2 ; immersing said lens and said two molds in a liquid to peel said lens from said molds; and extracting the thus-peeled lens via an extraction treatment with water. The 'original solution' contains:

Soft contact composition and method

A method for the manufacture of shaped article of hydrogel is provided. This shaped article of hydrogel is obtained by the polymerization in a mold of a mixture comprising:

Method of manufacturing shaped article of hydrogel

Producing soft contact lenses

Contact lens having high water content make from polymer of cross-link-polymerized N-vinyl pyrrolidone in the presence of water-insoluble polymer has excellent properties suitable for continuous wearing for a long period of time.

Cross-linked n-vinyl pyrrolidone polymer composition suitable for

Growing community of inventors

Otsu, Japan

Hideki Kenjo