What causes pain at the corner of the eye?

Eye corner pain can have several possible causes, including: 1. Conjunctivitis: Inflammation of the conjunctiva on the eye surface, possibly accompanied by red eyes, itching, and increased discharge. 2. Blepharitis: Inflammation of the skin at the base of the eyelashes, which may cause stinging and itching sensations. 3. Dry Eye Syndrome: Insufficient tear production or reduced tear quality leads to dryness of the eye surface, causing pain and discomfort. 4. Keratitis: Corneal infection or injury, characterized by severe pain and possible vision impairment. Prompt medical attention is necessary to prevent vision loss. 5. Elevated intraocular pressure: May be a symptom of glaucoma, accompanied by eye pain, headache, nausea, and blurred vision. 6. Eye fatigue: Prolonged screen viewing or reading may lead to eye muscle fatigue, causing mild pain. Rest and eye exercises can help relieve symptoms. Note: If the pain persists, is accompanied by changes in vision, abnormal discharge, or other symptoms, prompt medical consultation is advised.