A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/00 (2006.01) A61F 2/16 (2006.01) A61L 27/16 (2006.01) A61L 27/50 (2006.01) C08F 220/18 (2006.01) C08F 220/28 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2207010
The present invention relates to a soft intraocular lens consisting of a copolymer formed from a perfluorooctylethyloxypropylene (meth) acrylate monomer, a 2-phenylethyl (meth)acrylate monomer, an alkyl (meth)acrylate monomer and a crosslinking monomer as essential components. The soft intraocular lens restores its original shape to stabilize itself in a proper period of time, e.g., approximately 20 ~ 60 seconds, without remaining folded or self-adhering in its optical portion when folded to a small size, inserted into the eye while being held in a folded state and then released from a folding force.
La présente invention concerne une lentille intra-oculaire souple faisant entrer dans sa composition comme principaux monomères un monomère de perfluoroctyléthyloxypropylène (méth)acrylate, un monomère de 2-phényléthyle (méth)acrylate, un monomère d'alkyle (méth)acrylate et un monomère réticulable. Lorsqu'elle est pliée puis introduite telle quelle dans un oeil et que l'on cesse de lui appliquer la contrainte de pliage, la lentille est capable de reprendre sa forme d'origine dans un intervalle de temps adapté (par exemple, entre 20 et 60 secondes environ) et de se stabiliser sans présenter d'adhésion des organes optiques entre eux.
Hamano Migio
Imafuku Suguru
Iwamoto Hidetoshi
Goudreau Gage Dubuc
Hoya Corporation
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