Seeing stars flashing in the eyes may be caused by eyestrain, vitreous clouding, retinal detachment and so on. 1. eye fatigue: most of the eye is due to excessive eye use, other eye diseases lead to eye discomfort, the patient will have eyes to see the stars flashing feeling, common symptoms of eye swelling and pain, blurred vision, photophobia, and so on. 2. Vitreous clouding: the eyes see stars flash may be caused by vitreous clouding, mainly opaque material in the vitreous body of the eye, the patient will feel in front of the eyes with mosquito like, cloudy black shadow floating, seriously affecting the patient’s vision. 3. Retinal detachment: due to retinal cracks, mechanical pulling, fluid exudation, etc. will lead to the patient’s eyes to see the stars flash, clinical symptoms are mostly manifested in front of the eyes and the flickering of black shadows in front of the eyes, vision loss. It is recommended that patients go to a regular hospital in time to clarify the condition and follow the doctor’s instructions for treatment. Keep hygiene around the eyes.