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An ophthalmoscopic view of the retina showing advanced signs of diabetic retinopathy including two pale cotton wool spots. Cotton wool spots are opaque fluffy white patches on the retina of the eye that are considered an abnormal finding during a funduscopic exam (also called an ophthalmoscopic exam). [1] Cotton wool spots are typically a sign ...
Common causes of scotomas include demyelinating disease such as multiple sclerosis (retrobulbar neuritis), damage to nerve fiber layer in the retina (seen as cotton wool spots [3]) due to hypertension, toxic substances such as methyl alcohol, ethambutol and quinine, nutritional deficiencies, vascular blockages either in the retina or in the optic nerve, stroke or other brain injury, and ...
Litten's sign is a clinical sign in which cotton wool spots are seen on fundoscopic examination of the retina in patients with infective endocarditis. [ 1 ] The sign is named after Moritz Litten .
Patients with branch retinal vein occlusion usually have a sudden onset of blurred vision or a central visual field defect. The eye examination findings of acute branch retinal vein occlusion include superficial hemorrhages, retinal edema, and often cotton-wool spots in a sector of retina drained by the affected vein.
Advanced retinopathy lesions, such as microaneurysms, blot hemorrhages and/or flame hemorrhages, ischemic changes (e.g. "cotton wool spots"), hard exudates and in severe cases swelling of the optic disc (optic disc edema), a ring of exudates around the retina called a "macular star" and visual acuity loss, typically due to macular involvement.
They paid extra attention to small details, including using cotton balls and jewels on the Santa hat and stockings, and a wreath for the scarf. "North Pole Dancer, Connie Lou Who," the banner read ...
Fundus examination revealed choroidal folds inferior to the optic disc and a single cotton-wool spot in the inferior arcade of the right eye (white arrow). The second case of visual changes during long-duration spaceflight on board the ISS was reported approximately 3 months after launch when the astronaut noticed that he could now only see ...
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