Occasional flashing pain in the eyes may be related to insufficient rest, but also may be caused by diseases, such as dry eye, etc., mainly through medication such as artificial tears. 1. Physiological factors: long-term excessive eye use, late-night work, emotional instability and other factors can cause the body to appear the symptoms of occasional pain in the bottom of the eye. It is recommended that patients avoid excessive eye use, develop good habits of work and rest, and provide psychological counseling in time to relieve the symptoms. 2. Pathological factors: dry eye, also known as corneal conjunctival dryness, insufficient tear secretion and other factors lead to low tear content, thus causing abnormal visual function. The main clinical symptoms are eye fatigue, foreign body sensation, dryness and other symptoms, mainly through artificial tears such as sodium vitrate eye drops and other local treatment, the use of drugs need to be used under the guidance of a doctor. It is recommended that when patients experience discomfort, they should go to the hospital immediately to clarify the cause of the disease.