Cataract eye drops, also known as pinoxin eye drops, the main active ingredient is pinoxin, mainly by maintaining and improving the function of the lens membrane, and prevent the accumulation of polyglycitol, thus preventing or reducing the clouding of the lens, and play a role in the treatment of cataract. Clinically, it is mainly used for the treatment of the early stage of senile cataract, but also can be used for mild diabetic cataract, but also can be used for the complication of cataract. In the use of this drug need to pay attention to, for eye trauma and serious infections of patients temporarily can not be used. In addition, the drug has a special device, which requires the tablets to be placed in a solvent and dissolved completely before use. Generally speaking, after placing in the solvent, it should be used continuously and finished within 20 days. In conclusion, cataract drops are mainly used for the treatment of cataracts.