Colored contact lens and method for producing the same
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Feb 7, 1996
filing date -
Feb 7, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A contact lens colored with a poly(meth)acrylate-combined metallophthalocyanine compound represented by the following formula (I): ##STR1## wherein M represents a metal atom to which phthalocyanine can coordinate, R represents a halogen atom, m is an integer of 0 to 4, R.sup.1 represents a hydrogen atom or a methyl group, and A represents a hydrogen atom, a C.sub.1-12 alkyl group, a hydroxyC.sub.1-12 alkyl group or a glycerol group. The colored contact lens has sufficiently high fastness, so that the lens undergoes neither color change nor color fading even when it is sterilized by boiling.
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