Tomei Sangyo Co., Ltd.

Tomei Sangyo Kabushiki Kaisha

Kaoru Kamiya

Kiyohiko Ohta

Keiko Watanabe

Makoto Nakagawa

Akira Nakagawa

Tomio Nagao

A liquid composition for contact lenses, which comprises from 0.01 to 5% (W/V) of a protease, from 5 to 30% (W/V) of a polyhydric alcohol, from 1 to 5% (W/V) of an alkali metal salt and from 0.5 to 20% (W/V) of a surfactant.

Method for cleaning or preserving a contact lens by means of liquid

A lens treating device for treating a contact lens includes: an outer casing having a cylindrical body which is open at at least one of opposite axial ends, and at least one lid removably attached to the cylindrical body to close the axial end(s) thereof; and a lens storage container which is accommodated in the outer casing such that the container is axially slidingly reciprocable within the outer casing. The lens storage container has at least one cap member removably attached thereto. The lens storage container fluid-tightly receives therein the contact lens and a liquid for treating the contact lens, whereby the liquid is forced to flow within the container so as to clean the contact lens, by a reciprocating movement of the lens storage container when the outer casing is axially shaked or repeatedly inverted. A method of treating a contact lens by using such a lens treating device is also disclosed.

Method of treating contact lens

A contact lens case including a cylindrical container body, a cap member for closing an opening of the container body, a support member which is attached at one end thereof to the cap member to extend therefrom in an axial direction of the container body, and a lens holder rotatably supported by the support member. The lens holder has one or more lens storage chamber each receiving the contact lens, and a plurality of holes which permit a liquid to flow therethrough. The present contact lens case further includes a detent structure for holding the lens holder selectively in a horizontal position in which the contact lens received in the holder has a horizontal attitude perpendicular to the axial direction of the container body, or in a vertical position in which the contact lens received has a vertical attitude parallel to the axial direction of the container body. Also disclosed is a lens treating device which uses the present contact lens case as an inner case that is axially slidden within an outer case for cleaning the contact lens stored therein.

Contact lens holder and treating device

Lens treating device for treating contact lens

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Nagoya, Japan

Kaoru Kamiya