| 摘要 |
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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