Retinal detachment with a halo may occur when the eyes are closed after surgery, or when the retina is stretched because the retinal detachment has not healed. Retinal detachment with a halo may occur when the eyes are closed due to prolonged use of the computer or cell phone after surgery, or when the eyes are closed due to looking at light, which is usually relieved by resting more. Retinal detachment is the separation of the retinal nerve epithelium from the retinal pigment epithelium, at this time, the retina is pulled, and a flashing sensation before the eyes may also occur, sometimes there will be a circle of light when you close your eyes, and this situation may need to wait for the condition to heal and will improve. There may be other reasons for the halo after retinal detachment surgery, so you should go to a regular hospital for a follow-up consultation, and the doctor will give you the correct treatment according to your condition.