Invention Grant
US08476336B2 Ophthalmologic composition and ophthalmologic lens 有权
眼科成分和眼科镜片

Ophthalmologic composition and ophthalmologic lens
Abstract:
The invention relates to an ophthalmologic composition including a dye of the general formula I in which R1=substituted or unsubstituted hydrocarbon radical, R2=substituted or unsubstituted hydrocarbon radical with at least one polymerizable double bond, R3═H or substituted or unsubstituted hydrocarbon radical, R4═H, electron-withdrawing substituent or substituted or unsubstituted hydrocarbon radical and X═O, S, NH or NR5, wherein R5 is a substituted and/or unsubstituted hydrocarbon radical. Moreover, the invention relates to another ophthalmologic composition and an ophthalmologic lens.
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