The symptoms of retinal disease are generally not painful, but mainly appear as a variety of visual abnormalities. Typical symptoms of retinal detachment of hole origin are: 1, early there will be a sudden appearance of mosquitoes, there will be a lot of small dots, lines, water ripple-like black shadow in front of the eyes, can float. Or people who had mosquitoes before, the black shadow suddenly increased. 2, accompanied by a sense of flash, before the eyes will continue to appear spontaneous, like lightning white light, which is the retina received the stimulation of the performance. 3.Finally, there is a blocking sensation in front of the eyes, with a stage curtain-like black shadow spreading from one direction to the center, and the vision progresses to invisible within a few days. Please keep in mind that foramen ovale retinal detachment is an ophthalmic emergency with serious impact on vision and rapid progression. The above symptoms usually develop rapidly within a few days, so patients are advised to go to the hospital as soon as they have similar symptoms. The symptoms of exudative retinal detachment are related to the primary disease, such as the symptoms of uveitis, blurred vision, black shadows in front of the eyes, and loss of vision. Symptoms of detached retinal detachment, obvious fibrous strips can be seen on examination of the fundus, mainly manifesting as loss of vision.