In order to make the patient’s eye vision better, it is necessary to find out the cause of the patient’s poor vision, and then treat the cause of the disease, such as surgical treatment, prescription lenses for correction, medication and so on. A variety of eye diseases can affect vision, cataract is a common cause of poor vision in the elderly, the current drug treatment is not very effective, patients can be treated by surgery to restore vision. Refractive error is also a common cause of poor vision in patients, most often seen in adolescents onset, can be corrected in a variety of ways, such as wearing framed glasses, refractive surgery, etc., can be corrected myopia, improve the patient’s vision. Iridocyclitis can also lead to poor vision, patients can follow the doctor’s instructions to use hormone-containing eye drops to control inflammation and improve vision, such as prednisolone acetate eye drops. It is recommended that patients with vision loss seek medical attention to evaluate their condition and follow the doctor’s instructions for treatment.