Wake up, my eyes hurt.

Dry eye disease, also known as keratoconjunctivitis sicca, refers to any cause of tear quality and quantity abnormalities, or abnormal dynamics caused by tear film stability decline, and accompanied by eye discomfort, resulting in ocular surface tissue lesions as a general term for a variety of diseases, some accompanied by systemic immune diseases. The most common symptoms of dry eye are eye fatigue, foreign body sensation, dryness, burning sensation, eye swelling sensation, eye pain, photophobia, redness, etc. Severe dry eye is accompanied by dry mouth and joint pain. The signs of dry eye include tarnish, thickening, edema, narrowing or interruption of tear river of bulbar conjunctiva, sometimes yellowish sticky filiform secretion can be seen in the lower fornix, and corneal epithelium in the palpebral fissure area falls off in different degrees.