Elderly people who feel their eyes are blurry and foggy may be caused by cataract, macular degeneration, old eyesight, etc. Patients can be treated by prescription lenses, medication, surgery, etc. The specific treatment is related to the patient’s condition. 1. Cataract: Cataract patients may suffer from vision loss and blurred vision due to the clouding and degeneration of the lens. Surgery can be used to remove the diseased lens and implant a transparent IOL to improve vision. 2. Macular degeneration: macular degeneration is mostly seen in the elderly, patients can follow the doctor’s instructions to use anti-neovascular drug treatment, such as compazine, abercrombie and fitch. It can improve the condition and enhance the patient’s visual acuity. 3. Presbyopia: Presbyopia occurs in the elderly because of the decline of lens regulation, and the patients can have blurred vision, and the patients can correct presbyopia by wearing glasses to improve their vision. It is recommended that patients with vision loss should consult a doctor in time to assess their condition and follow the doctor’s instructions to choose the appropriate treatment.