Eye swelling and drowsiness may be caused by long-term eye use, acute attack of glaucoma or old eyesight. When patients work or study for a long period of time and do not get enough rest for their eyes, they may experience visual fatigue, which may lead to discomfort such as eye swelling, drowsiness and soreness, which can be relieved after proper rest. When glaucoma acute attack, due to the abnormal increase in intraocular pressure on the cornea eyeball wall and other structures caused by the pressure, patients will experience eye swelling and pain, and even headache, dizziness and other general discomfort, patients need to seek medical treatment in time to lower intraocular pressure and other treatments. Due to the decline of eye adjustment ability, even after a short period of eye use, patients with presbyopia will have symptoms of eye fatigue such as swelling and pain, which requires presbyopia lens fitting and adjustment of the brightness of the working environment. It is recommended that patients with significant eye swelling and pain should consult the hospital in a timely manner to assess their condition and follow the doctor’s instructions for treatment.