Patients who can not see clearly need to be treated for the cause of the disease, such as wearing correction, medication, surgery and other ways to improve vision. Many reasons can lead to patients with vision loss can not see things, first of all, we still need to improve the timely medical slit lamp microscopy, fundus photography and other auxiliary examinations to clarify the cause. If the vision loss is caused by myopia, astigmatism and other refractive errors, patients can wear glasses to correct the refractive errors and improve vision. If patients have keratitis, conjunctivitis and other ocular inflammatory diseases, patients may also experience vision loss, patients can be treated with medication, such as levofloxacin eye drops, tobramycin eye drops, etc., to control inflammation and promote recovery. For sudden vision loss or occlusion in front of the eyes should seek medical attention in time, alert to retinal detachment and fundus hemorrhage and other conditions. If retinal detachment occurs, patients can be treated with surgery, such as vitrectomy. Patients with significant vision loss are advised to seek prompt medical attention to evaluate their condition and follow the doctor’s instructions for treatment.