Title:
METHOD OF DETECTING PROTEIN DIRT ON CONTACT LENS
Document Type and Number:
WIPO Patent Application WO2005012915
Kind Code:
A8
Abstract:
A method of detecting only protein dirt adhering to a contact lens speedily and easily in an inexpensive manner. In particular, a contact lens after wearing is sequentially immersed in a coloring reagent solution containing bromochlorophenol blue or tetrabromophenol blue and an acidic solution of 3 or below pH value to thereby effect coloring of only protein component adhering to the contact lens, and in the state of coloring, the protein dirt adhering to the contact lens is detected.
Inventors:
OHNO SADANORI (JP)
KAWAI TETSUJI (JP)
IWATA MIYOKO (JP)
NAKADA KAZUHIKO (JP)
KAWAI TETSUJI (JP)
IWATA MIYOKO (JP)
NAKADA KAZUHIKO (JP)
Application Number:
PCT/JP2004/010220
Publication Date:
August 25, 2005
Filing Date:
July 16, 2004
Export Citation:
Assignee:
MENICON CO LTD (JP)
OHNO SADANORI (JP)
KAWAI TETSUJI (JP)
IWATA MIYOKO (JP)
NAKADA KAZUHIKO (JP)
OHNO SADANORI (JP)
KAWAI TETSUJI (JP)
IWATA MIYOKO (JP)
NAKADA KAZUHIKO (JP)
International Classes:
G01N21/78; G01N31/00; G01N31/22; G01N33/68; G02C13/00; (IPC1-7): G01N33/68
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