Very itchy eyes may be caused by allergic conjunctivitis, blepharitis, dry eye, contact blepharitis and other eye diseases.
1. Allergic conjunctivitis occurs mostly when the conjunctiva comes into contact with external allergens causing a hypersensitivity reaction, which is mainly manifested as itchy eyes.
2. Blepharitis is a subacute or chronic inflammation of the surface of the eyelid margins, eyelash follicles and their glands, and patients may experience symptoms such as itchy eyes, burning sensation and foreign body sensation.
3. Dry eye refers to the abnormal quality or quantity of tears for any reason, and is commonly characterized by dryness, foreign body sensation, burning sensation, photophobia, blurred vision, etc. Itchy eyes can also occur.
4. Contact blepharitis is the skin of the eyelid comes into contact with substances that are prone to allergic reactions, such as eyeglass frames, cosmetics, topical antibiotics, etc., which can be manifested as redness, swelling and itching of the eyelids.
It is recommended that patients go to the hospital in time for a detailed examination to clarify the specific causes and follow the doctor’s instructions for treatment.