Severe dry eye does not usually cause blindness. Dry eye is a common ophthalmology disease, preferred in middle-aged and old people, most of the cases are due to aging factors lead to the secretion of tears gland atrophy or function decline, tear secretion is relatively insufficient and caused, but also some patients and the eye by the acid and alkali chemical injuries, or the eye chronic inflammation stimulation has a relationship. Dry eye syndrome will lead to dry eyes, stinging, foreign body sensation, photophobia, tearing, mild vision loss and other symptoms, if dry eye is more serious, it will seriously interfere with the normal life of patients, but usually does not directly cause blindness. Dry eye can be treated, at present, the main under the guidance of the doctor through the use of artificial tears drops eye drops, also known as alternative therapy for treatment, commonly used sodium vitrate eye drops, polyethylene glycol eye drops and so on. It is recommended to consult a doctor in time and actively cooperate with the treatment, so as not to cause adverse effects on the eyes.