What are the symptoms of ocular fundus disease?

Fundus is the tissue in the back of the eyeball, namely the inner membrane of the eyeball-retina, optic papilla, macula and central retinal artery and vein. Fundus diseases include diseases of retina, optic disc and choroid, commonly known as fundus diseases. If fundus diseases occur, vision will change. For example, vision loss, blurred vision, visual field defects, mosquitoes and flashes are symptoms of vision changes after fundus diseases. In addition, some patients show optic neuritis, eyeball pain, glaucoma, optic nerve damage, etc. are also clinical manifestations of fundus disease.