The effects of compound camptothecin usually appear in 7 to 10 days of injection time. Compound camphorine is a kind of anticholinergic drug, generally used for retinopathy, ischemic optic nerve disease, usually in the affected side of the superficial temporal artery next to the subcutaneous injection, injection 14 times for a course of treatment, the specific number of courses need to be based on their own situation, under the guidance of the doctor to carry out the injection. Under normal circumstances, compound camphorine injection 7 days to 10 days will appear the effect, if the effect can be continued to inject, if no effect can choose to change other drugs. Compound camphorine is the treatment of eye inflammation drugs, generally best used before bedtime, and then do not contact with electronic products, so that the eyes get enough rest, to give the drug play a role. At the same time, pay attention to eye hygiene, do not rub your eyes with your hands, do not use electronic products for a long time. Usually to develop good eye habits. The specific treatment plan should be injected according to the doctor’s advice, not unauthorized injection or change the treatment method.