COLORANTS FOR USE IN TINTED CONTACT LENSES AND METHODS FOR THEIR PRODUCTION

摘要

The present invention relates to compositions comprising a light absorbing prepolymer having a molecular weight of between about 7,000 and about 100,000 and polymeric units derived from and least one reactive colorant and monomers selected from the group consisting of hydrophilic monomers, hydrophobic monomers and mixtures thereof. The compositions of the present invention are useful for the manufacture of ophthalmic devices, including contact lenses.