There are many reasons why your eyes hurt and itch, so you should consider whether you have conjunctivitis, dry eye, blepharitis, etc. 1. Conjunctivitis: If there is an increase in eye discharge, photophobia, tearing and other discomforts at the same time, you need to consider the possibility of conjunctivitis. This is a common ophthalmic disease, usually due to infection. 2. Dry eye: If there is dry eye, foreign body sensation and other discomforts at the same time, you need to consider the possibility of dry eye. This disease is due to insufficient tear secretion or evaporation of excessive eye itching and pain, without timely intervention may further impair visual function. 3. Blepharitis: The cause of this disease is complex and may be related to infection, poor eye hygiene and bad habits. It can be characterized by itching and discomfort in the eyes. There are many causes of itchy eyes, so it is recommended to consult a doctor as soon as possible to avoid delaying the condition.