When a retinal detachment occurs, different degrees of manifestations can occur, varying from person to person. 1. Visual impairment: Due to the location of retinal detachment, the degree of detachment and the time of visual impairment, the degree of impairment is different. Generally, in the early stage of detachment, there will not be any obvious symptoms, but with the expansion of the retinal detachment, vision loss will slowly appear at this time, which will affect people’s normal life. 2, some people with retinal detachment may appear after the symptoms of flashing sensation: this situation is mostly due to the retina being pulled by external forces, the appearance of a flashing sensation. At this time, we must pay attention that people who drive cannot drive to avoid traffic accidents. 3, some people with retinal detachment may also appear the symptoms of mosquito flying: generally manifested as a black shadow floating in front of the eyes. May also appear dotted, flaky, snowflake-like things. 4, retinal detachment some people may also appear front curtain-like black shadow obscuration: black shadow obscuration will be judged with the speed of retinal detachment, the degree of detachment. Severe cases may even lead to blindness. When the above symptoms appear, you must go to the hospital to confirm the diagnosis, timely examination and treatment, so as not to cause blindness.