If you have flashes of light in your eyes when you close them, you should go to the ophthalmology department for an active examination and serious treatment to avoid visual impairment. Open eyes with flashes and closed eyes with flashes, generally there is no particular big difference, before the eyes with flashes caused by a very large number of reasons, such as overuse of the eyes, fatigue, stay up all night, eye trauma, eye lesions, systemic lesions can be caused. The flash in front of the eyes can not be ignored, should go to the hospital in time to do the examination, according to the examination of the symptomatic treatment, to avoid causing serious vision damage. Usually you should pay attention to the eye, develop good eye habits, do not overuse the eye, adjust the mind. If you have eye lesions, go to the regular hospital in time to check the diagnosis, active treatment, to avoid serious vision damage caused by eye lesions.