Eyestrain takes 15 to 30 days to return to normal. The specific recovery time can be judged according to your own body metabolism and eye condition. Eyestrain is mainly caused by excessive eye use, long time facing electronic products, lack of sleep and other factors, often manifested as blurred vision, dry eyes, eye pain and other manifestations. Eyestrain can be treated by hot compresses and distant viewing under the guidance of a doctor, and at the same time, sodium vitrate eye drops can be used to relieve eyestrain. The recovery cycle of eyestrain is not fixed, usually pay attention to eye hygiene, assisted by eye exercises and gaze into the distance, etc., can relieve eye fatigue, accelerate the recovery of the eyes. It should be noted that severe eye fatigue and other adverse reactions, should be promptly to the hospital.