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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 ...
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.
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 ...
Kyuranger is considered the fifth space-themed series [a] whose primary motifs are constellations and Greco-Roman mythology, and it is also the first Super Sentai series to introduce nine regular members in the beginning instead of five or fewer like previous installments. The team later gains three additional members, increasing the number to ...
There was no evidence of choroidal folds or cotton-wool spots, but a small hemorrhage was observed below the optic dics in the right eye. This astronaut had the most pronounced optic-disc edema of all astronauts reported to date, but had no choroidal folds, globe flattening or hyperopic shift .
Cotton wool. Cotton wool consists of silky fibers taken from cotton plants in their raw state. Impurities, such as seeds, are removed and the cotton is then bleached using hydrogen peroxide or sodium hypochlorite and sterilized. It is also a refined product (absorbent cotton in U.S. usage) which has medical, cosmetic and many other practical uses.
Uchu Sentai Kyuranger (宇宙戦隊キュウレンジャー, Uchū Sentai Kyūrenjā) is a Japanese tokusatsu series that serves as the 41st installment in the Super Sentai franchise and the 29th entry in the Heisei era.