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Diabetic retinopathy. Often asymptomatic, but can cause spots in the eye and vision loss. Diabetic retinopathy (also known as diabetic eye disease ), is a medical condition in which damage occurs to the retina due to diabetes. It is a leading cause of blindness in developed countries. Diabetic retinopathy affects up to 80 percent of those who ...
Retinopathy often refers to retinal vascular disease, or damage to the retina caused by abnormal blood flow. [ 2] Age-related macular degeneration is technically included under the umbrella term retinopathy but is often discussed as a separate entity. Retinopathy, or retinal vascular disease, can be broadly categorized into proliferative and ...
Specialty. Ophthalmology. Intraretinal microvascular abnormalities (IRMA) are abnormalities of the blood vessels that supply the retina of the eye, a sign of diabetic retinopathy. [1] IRMA can be difficult to distinguish from and is likely a precursor to retinal neovascularization. One way to distinguish IRMA from retinal neovascularization is ...
Damage to the retina, known as diabetic retinopathy, is the most common cause of blindness in people of working age. [20] The eyes can also be affected in other ways, including development of cataract and glaucoma. [20] It is recommended that people with diabetes visit an optometrist or ophthalmologist once a year. [29]
Diabetic retinopathy, caused by alterations in retinal microcirculation, leading to the growth of friable and poor-quality new blood vessels in the retina or capillary closure which causes ischemia or extravasation of intravascular content, causing edema (swelling of the macula). [26]
Cotton wool spots are typically a sign of another disease state, most common of which is diabetic retinopathy. [2] The irregularly shaped white patches are a result of ischemia , or reduced blood flow and oxygen, in the retinal nerve fiber layer , which is located in the distribution of the capillaries of the superficial layer of the retina. [ 2 ]
Diabetic macular edema, with hard exudates surrounding the blood vessels. Macular edema occurs when fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken and swell ( edema ). The swelling may distort a person's central vision, because the macula holds tightly packed ...
The blood–retinal barrier, or the BRB, is part of the blood–ocular barrier that consists of cells that are joined tightly together to prevent certain substances from entering the tissue of the retina. [1] It consists of non-fenestrated capillaries of the retinal circulation and tight-junctions between retinal epithelial cells preventing ...