62.8 MB (5.3 MB compressed)
5023 x 4371 pixels
42.4 x 37.1 cm ⏐ 16.7 x 14.6 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Diabetic retinopathy: fundus camera image of the retina of the eye in a case of moderately-severe diabetic retinopathy, the damage to the blood supply of the retina that occurs as a complication of diabetes. Diabetic retinopathy is the result of blockages in capillaries and small arteries (arterioles) with a resulting reduction in blood flow and cessation (non-perfusion) to some areas of the retina. Also, an increase in the permeability of blood vessels underlies the formation of haemorrhages, fatty exudates (yellow areas) and oedema (fluid accumulation). Retinopathy impairs sight & in severe cases leads to blindness.
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