Sore eyes may be related to eye fatigue, may also be due to dry eye, glaucoma and other causes. 1. Eye fatigue: if long-term close look at cell phones, tablet and other electronic products, or long-term excessive late night, are easy to cause eye fatigue, resulting in the eye ciliary muscle in over-regulation state, may cause eye soreness, may also be accompanied by eye dryness, blurred close-up objects and other manifestations. 2. Dry eye: this disease leads to patients with insufficient tear secretion, resulting in the eyes not being moisturized by tears for a long time, which may cause eye soreness and swelling, and may also be accompanied by eye stinging, scratching sensation and other manifestations. 3. Glaucoma: When the disease has an acute attack, it can lead to an increase in intraocular pressure, which may cause soreness of the eyes, and may be accompanied by redness of the eyes, tearing and other manifestations. Sore eyes may also be related to other factors. If the symptoms cannot be relieved after reasonable rest, consult a doctor as soon as possible to clarify the cause of the disease and then carry out targeted treatment.