Tretinoin is a commonly used hormone medication that usually lasts about 1 week to half a month, and a variety of diseases of the eye need to be treated by injections of medications such as Tretinoin, such as uveitis, retinitis, and other inflammatory diseases. Tretinoin is a glucocorticoid drug with anti-inflammatory and anti-allergic effects. Patients can treat eye inflammation by injecting tretinoin, which usually lasts about 1 week – half a month after injecting the medicine. If the patient’s condition is not under control, the injection can be repeated after half a month. However, patients must be regularly reviewed during the medication treatment, because the use of hormonal drugs may cause hormonal cataracts, hormonal glaucoma and other adverse reactions, and the situation needs to be assessed under the guidance of a doctor. It is recommended that patients follow the doctor’s instructions to use Trimethoprim, do not use without authorization, to avoid causing adverse reactions.