Ophthalmic compositions containing organo-germanium compounds

摘要

Ophthalmic compositions for treating cataract contain an organic germanium compound having the formula (1); [wherein R1 to R3 represent hydrogen, alkyl or phenyl which may be substituted; X represents hydroxyl, )-alkyl, amino, or O-Y<+> wherein Y represents sodium, potassium, or a basic group such as Iysozyme or basic amino acid.