When vision loss occurs, it is important to identify the specific cause of the vision loss and then treat the cause, such as medication, prescription lenses, or surgery, in order to make the vision better. Many types of diseases of the eye can affect visual acuity, that is, vision, and thus can cause patients to suffer from vision loss. Detailed and comprehensive eye examinations must be conducted to diagnose exactly which condition is causing the problem. Cataracts are one of the most common causes of vision loss and can be treated with cataract surgery to improve vision. Refractive error is also a common cause of vision loss in patients, and can be corrected in a number of effective ways, such as wearing framed glasses and corneal contact lenses, to correct refractive error and improve vision. Patients with iridocyclitis can also experience vision loss, and patients can follow the doctor’s instructions to use hormone eye drops for treatment, such as prednisolone acetate eye drops, tobramycin dexamethasone eye drops, etc., to improve vision. It is recommended that patients with vision loss seek medical attention to evaluate their condition and follow doctor’s instructions for treatment.