If the elderly is due to dryness caused by excessive eye use, physiological deterioration of the protective function of the eye, you can use artificial tears such as sodium vitrate eye drops and other medications, if it is due to conjunctivitis, dry syndrome and other dryness, you need to treat the cause of the cause of the problem, such as tobramycin eye drops. 1. Physiological factors: the elderly use their eyes too much, the physiological deterioration of the protective function of the eyeballs and other factors that can lead to prolonged exposure of the cornea and other long time coupled with a decline in the secretion of tears, can be caused by dryness, can be used to use artificial tears, such as sodium vitreous oxide eye drops for eye moisturizing, and recommended rational eye use. 2. Pathologic factors (1) Conjunctivitis: Conjunctivitis patients because of inflammatory stimulation, there can be dry eyes and other uncomfortable symptoms, patients can use anti-inflammatory eye drops, such as tobramycin drops, ganciclovir drops, etc., the specific treatment of drugs and patients with the cause of the disease. (2) Dry syndrome: the treatment of dry syndrome is based on systemic drugs such as cyclophosphamide, etc. Eye drops can only alleviate the symptoms of dry eyes, commonly used artificial tears such as sodium vitrate eye drops. It is recommended that patients with obvious symptoms of dry eyes and other discomforts should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.