| 摘要 |
PROBLEM TO BE SOLVED: To provide a coloring technique effective for an intraocular lens having visible light transmission characteristics approximate to those of a human crystalline lens in particular, effective for the soft intraocular lens. SOLUTION: The dyestuff for the intraocular lens having a structure of the following formula [I] or [II]. And the colored silicone material obtained by subjecting the dyestuff expressed by the formula [I] or [II] to chemical bonding to a silicone polymer having a hydrosillyl group. Or the silicone elastomer formed by a crosslinking reaction of the silicone polymer having the hydrosillyl group and silicone having a vinyl group and silica. The intraocular lens using these. For example, the formula [I] and formula [II]. |
