Retinal eye diseases Retinal eye diseases There are many retinal eye disease. The most common are: age-related macular degeneration (AMD) this is the cause of up to 50% of visual impairment worldwide diabetic eye disease almost all of those with type I diabetes and more than 60% of those with type II diabetes will develop diabetic eye disease within 20 years of diagnosis floaters floaters are more common between the ages of 50 and 75 retinal detachment some symptoms of retinal detachment are flashing lights and a sudden increase of floaters. It is especially important for patients who are short sighted to be reviewed retinitis pigmentosa this is a rare degenerative genetic eye disease. There is currently no effective treatment and symptoms can include decreased vision at night or in low light