| 摘要 |
Ultraviolet light absorbing compositions comprising 2-(2'-hydroxy-5'-acryloyloxyalkoxyphenyl)-2H-benzotriazoles, and copolymers thereof with one or more other monomers copolymerizable therewith, particularly acrylic monomers, are useful in the manufacture of ocular devices, particularly intraocular lenses and contact lenses. |
