Eyelid tightness can be caused by physiological factors, eye infection, eye allergy, dry eye and other reasons. 1. Physiological factors: when patients use their eyes excessively or do not have enough sleep, it is easy to cause ciliary muscle spasm, blepharoplasty secretion dysfunction, lubrication function is reduced, resulting in patients with eyelid tightness. 2. Ocular infectious inflammation: If you suffer from infectious conjunctivitis, blepharitis and other diseases, the inflammatory stimulus may cause conjunctival congestion and edema, and the patient may experience eyelid tightness, swelling, redness and other symptoms. 3. Eye allergy: When allergic patients are exposed to allergic substances, allergic reactions may occur, eye tissue edema, patients may experience tightness around the eyes. 4. Dry eye: dry eye patients with insufficient tear production or rapid evaporation of tears can easily lead to a decrease in the moisturization of the eyeballs and eyelids, and patients may experience symptoms of tightness of the eyelids. It is recommended that patients with tight eyelids consult a hospital in a timely manner to assess their condition and under the guidance of a doctor.