The sudden appearance of water ripples in the eyes is mostly related to insufficient blood supply. In this case, fundus examination is performed as soon as possible to exclude eye diseases, and in a small number of patients, it may be vitreous turbidity, which causes a transient retinal traction phenomenon. Careful examination of the fundus for diseases such as fissure and preretinal membrane, early detection, factors that may cause retinal detachment, water ripples of relatively large extent, exclude ocular diseases, consider the condition of insufficient blood supply, such as the presence of internal carotid artery plaque, and postural hypotension, which cause transient circulatory disorders. It is best to perform relevant brain imaging and carotid ultrasound, and to use circulatory improvement medications appropriately for treatment, and consider appropriate sports to improve physical fitness.