The appearance of water ripples in front of the eyes is not necessarily a precursor to cerebral infarction, but may be a visual precursor to migraine, but the disease cannot be judged by one symptom alone. Before the appearance of cerebral infarction, patients usually do not have water ripples in front of their eyes. There is no specific symptom in the early stage of the disease, and the symptoms vary depending on the location and scope of infarction, as well as the reasons for blocking the blood vessels, etc. The most common symptoms include numbness in different parts of the body, paralysis, etc. The patients with water ripples should consider the possibility of migraine. The most common symptoms include numbness and paralysis in different parts of the body. Those who have water ripples in front of their eyes should consider the possibility of migraine because migraine can cause blurred vision, distortion, and water ripples in front of their eyes before the onset of migraine. However, there are many reasons for the occurrence of this phenomenon, and it is not possible to judge the disease only by a certain symptom. Cerebral infarction can have many symptoms in the early stage of the disease, and it is recommended that people with symptoms such as sensory impairment, hemiplegia, and vertigo should be highly vigilant and seek medical treatment as soon as possible.