An.ye examination for many people with retinopathy includes testing visual acuity or sharpness of vision, checking the sharpness of peripheral vision, and testing the pressure inside the eye. Trauma, especially to the head, and several diseases may cause Purtscher's retinopathy Hyperviscosity-related retinopathy as seen in disorders which cause paraproteinemia Many types of retinopathy are proliferative, most often resulting from neovascularization or blood vessel overgrowth. The simple retinopathies include the defects identified by bulging of the vessel walls, by bleeding into the eye, by small clumps of dead retinal cells called cotton wool exudate, and by closed vessels. Pupil dilation . The same instruments used during vitrectomy also may be used to remove scar tissue or to repair a detached retina. Diabetic retinopathy is a deterioration of the blood vessels in the retina that usually affects both eyes. See causes of leg cramps or ... read more » Rare diseases misdiagnosed as Parkinson's disease: A rare genetic disorder is often misdiagnosed as Parkinson's disease for men in their 50's. The retina is the part inside the eye that senses light. Diabetes Care. 2014;37suppl:S14. Retinopathy of prematurity — The first line of defence is regular prenatal care.
NEI-funded scientists are also seeking ways to detect diabetic retinopathy at earlier stages. The new vessels are also often accompanied by scar tissue that may cause the retina to wrinkle or detach. Although several medical conditions e.g., sickle cell disease, lupus can cause retinopathy, the most common causes are diabetes and hypertension high blood pressure. Laser treatments may also be used. At this advanced stage, growth factors secreted by the retina trigger the proliferation of new blood vessels, which grow along the inside surface of the retina and into the vitreous gel, the fluid that fills the eye.