Eyes always jump refers to blepharospasm, which may be caused by physiological factors such as lack of sleep, over fatigue, etc., or caused by diseases such as conjunctivitis, keratitis, etc., or caused by other diseases such as myopia. 1. Physiological factors: patients with sleep deprivation, excessive fatigue or excessive smoking and drinking can cause blepharospasm, which is a normal physiological phenomenon. 2. Conjunctivitis: Conjunctivitis has many causes, mainly due to infection, immune lesions and other factors. Patients may experience symptoms such as conjunctival congestion, increased eyelid secretions, and bulbar conjunctival edema, which can lead to blepharospasm. 3. Keratitis: Keratitis is mainly caused by bacterial, viral and other pathogen infections, and the main symptoms of patients are eye pain, tearing, blepharospasm. Patients with keratitis also have symptoms such as photophobia, vision loss, as well as eyelid redness, swelling, purulent discharge and other symptoms. 4. Other: Myopia, blepharitis and other diseases can also cause patients to have blepharospasm. When patients have symptoms of blepharospasm, it may be caused by physiological factors and does not need special treatment. If it is caused by a disease, patients should consult a doctor in time and follow the doctor’s instructions.