If you close your eyes and have a flashing sensation, it may be due to posterior vitreous detachment, retinal detachment, retinal tear, etc. 1.
1. Posterior vitreous detachment: Posterior vitreous detachment is the detachment of vitreous body and retina, which can cause “flash” vision and floating objects in front of eyes, etc. It mostly occurs with the increase of age, and can also be seen in high myopia, which does not need to be treated, but the fundus of the eyes should be rechecked regularly, and we should be alert to the emergence of retinal cracks.
2. Retinal detachment: Retinal detachment refers to the detachment between the retinal pigment epithelium and the retinal nerve epithelium, which may lead to floaters in front of the eyes, flashing sensation, curtain-like blockage and loss of visual acuity, etc. It is necessary to undergo retinal restoration surgery as soon as possible.
3. Retinal tear: the retina broken hole caused by vitreous pulling, can be manifested as a fixed position of the persistent flash sensation, the treatment is based on laser closure of the retinal tear and surgical treatment.
If you have obvious flashing sensation or other discomforts, it is recommended to go to local regular hospitals to avoid delaying your condition.