The photophobia, tearing, soreness and inability to open the eyes are usually related to overuse of the eyes, conjunctivitis, uveitis, inverted eyelashes, foreign body stimulation and other factors. 1. Excessive use of the eyes: For example, if you use your eyes for a long time without resting, you may experience symptoms such as photophobia and tearing, which may cause eye congestion and edema in severe cases. 2. Conjunctivitis: mainly due to infection at the conjunctival tissue, usually related to viral infection, bacterial infection, chlamydial infection, etc.. Some patients have allergic reactions caused by long-term exposure to allergens, which are mainly manifested as redness, itching, increased secretion, accompanied by tearing and inability to open the eyes. 3. Uveitis: usually associated with infection and autoimmune factors, some patients are due to trauma, mainly manifested as redness, swelling and pain in the eyes, blurred vision, accompanied by vision loss, tearing, inability to open the eyes, photophobia and so on. 4. Inverted eyelashes, foreign body irritation: Inverted eyelashes or foreign bodies may cause continuous irritation to the eye surface, which may also cause photophobia, tearing and other symptoms. If the symptoms are relatively mild, you can observe them without special treatment. If the symptoms persist for a long time, it is recommended to consult an ophthalmologist in time, and then diagnose and analyze the cause of the disease through eye examination, blood test and pathogen examination, and then carry out formal treatment.