Dry eye is an extremely common ocular surface disease, a general term for a large group of diseases characterized by abnormal tear film instability and ocular surface tissue lesions caused by abnormal tear quality and quantity or kinetics from a variety of causes, which can cause eye discomfort in mild cases or blindness in severe cases. What are the symptoms of dry eye syndrome? Dry eyes, foreign body sensation, visual fatigue, burning sensation, photophobia, blurred vision, etc. How is dry eye treated? 1.Tear component replacement therapy: artificial tears (artificial tears without preservatives). 2, preservation of tears: often tear punctal peg implantation, safe, reversible, effective, and can be combined with other methods. 3.Promote tear secretion: oral medication, but there are side effects such as gastrointestinal discomfort, and need to take long-term, high cost. 4.Other: if it is related to infection factors, it can be combined with antibiotics, hormones, non-steroidal anti-inflammatory drugs, cyclosporine A, etc. 5.Lacrimal punctal peg implantation: using imported materials, it is suitable for various dry eye diseases, especially for patients with reduced tear secretion, and dry eye disease whose symptoms cannot be completely relieved by using artificial tears.