Eye discomfort can be caused by many reasons, such as foreign body in the eye, inflammation, allergies, etc. 1. Foreign body in the eye: when a foreign body enters into the eye, there will be symptoms such as stinging sensation in the eye, foreign body sensation, fear of light, tearing and redness of the eye, etc. You need to go to the ophthalmology department of a regular hospital, and the doctor will flush out or take out the foreign body in order to relieve the symptoms. 2. Eye inflammation: eye infection, such as conjunctivitis, keratitis, etc., there will be eye redness, eye edema, increased secretion, eye pain and other symptoms, you need to address the cause of the medication, if it is a bacterial infection, the use of antibiotic medication, such as ofloxacin eye drops, tobramycin eye drops and so on. 3. Allergy: If the eyes are allergic, there will be red eyes, itchy eyes and other symptoms, you need to use anti-allergy eye drops to treat, such as olopatadine hydrochloride eye drops, nafamycin eye drops and so on. Eye discomfort, there may be visual fatigue, dry eye and other reasons, eye discomfort, and rest after the symptoms can not be relieved, it is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions for treatment, medication, not self-medication.