What kind of medicine for blurred eyes in the elderly needs to be combined with the cause of the disease, according to the different causes of the targeted selection of drugs, common causes include bacterial keratitis, visual fatigue, refractive error, cataracts and so on. 1. Bacterial keratitis: bacterial keratitis can lead to visual blurring, at this time generally need to be under the guidance of the doctor for anti-infection treatment, such as erythromycin ophthalmic ointment, levofloxacin eye drops, and other antibiotic drugs can be considered. 2. Visual fatigue: If the blurring of vision is caused by excessive use of the eyes, you can choose eye drops with anti-fatigue effect, such as seven leaves of digitalis bisacodyl eye drops. 3. Refractive error: Refractive errors such as myopia and hyperopia can occur in the elderly, which can lead to blurred vision. Refractive errors are generally not treated with medication, but can be corrected by wearing glasses or undergoing refractive surgery. 4. Cataract: Currently, there is no medicine that can prevent the formation of cataract, and it is usually treated by surgery, and the more common treatments are ultrasonic emulsification suction combined with IOL implantation. All of the above medications should be used in accordance with the doctor’s instructions. What kind of medication should be used for blurry eyes of the elderly should also be combined with the cause of the disease, and the corresponding treatment should be chosen under the guidance of the doctor as soon as possible. Do not use your own medicine to avoid adverse effects.