Eye astringency, soreness, photophobia and tearing may be caused by eye fatigue, conjunctivitis, keratitis and other factors. 1. Eye fatigue: lack of sleep, prolonged reading, prolonged use of electronic products and other factors can lead to eye fatigue, soreness, dryness, photophobia, tearing and other symptoms. 2. Conjunctivitis: usually caused by infection, physical and chemical stimulation and other factors, the patient will have a foreign body sensation in the eye, increased secretion, photophobia, tearing and other symptoms. 3. Keratitis: related to infection, immune diseases and other factors, patients will experience eye pain, photophobia, tearing, eyelid spasms and other uncomfortable symptoms. Factors related to the cause of eye astringency, soreness, photophobia, tearing, patients can go to the hospital in a timely manner, follow the doctor’s instructions for relevant treatment, and strictly comply with the doctor’s instructions for medication.