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Title:
LENS MATERIAL FOR EYE
Document Type and Number:
Japanese Patent JPH0527206
Kind Code:
A
Abstract:
PURPOSE:To provide a lens material for eyes excellent in not only transparency but also oxygen transmittance, mechanical strength, hardness and hydrophilicity in spite of small water absorption rate. CONSTITUTION:This lens material consists of a copolymer obtd. by polymn. of a monomer mixture essentially comprising components (A)-(D). (A) 15-40mol% fluoroalkyl (silicon-contg. alkyl) fumarate, (B) 35-55mol% N-vinyl lactum, (C) 3-30mol% (meth)acrylic acid, and (D) 0.1-20mol% crosslinking monomer.

Inventors:
KAWAGUCHI TORU
ANDO ICHIRO
TOYOSHIMA NOBUYUKI
YAMAMOTO YASUSHI
YOSHIOKA HIROSHI
YAMAZAKI TOSHIO
Application Number:
JP18226791A
Publication Date:
February 05, 1993
Filing Date:
July 23, 1991
Export Citation:
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Assignee:
MENICON CO LTD
SHINETSU CHEMICAL CO
International Classes:
A61L27/00; C08F226/06; C08F230/08; G02B1/04; G02C7/04; (IPC1-7): A61L27/00; G02C7/04
Attorney, Agent or Firm:
朝日奈 宗太 (外1名)



 
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