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Leukocoria (also white pupillary reflex) is an abnormal white reflection from the retina of the eye. Leukocoria resembles eyeshine , but leukocoria can also occur in animals that lack eyeshine because their retina lacks a tapetum lucidum .
A white eye reflection is not always a positive indication of retinoblastoma and can be caused by light being reflected badly [12] or by other conditions such as Coats' disease. [13] The presence of the photographic fault red eye in only one eye and not in the other may be a sign of retinoblastoma. A clearer sign is "white eye" or "cat's eye ...
Although human eyes lack a tapetum lucidum, they still exhibit a weak reflection from the choroid, as can be seen in photography with the red-eye effect and with near-infrared eyeshine. [ 18 ] [ 19 ] Another effect in humans and other animals that may resemble eyeshine is leukocoria , which is a white shine indicative of abnormalities such as ...
Tscherning referred to this as the sixth image (the fifth image is formed by reflections from the anterior surfaces of the lens and cornea to form an image too far in front of the retina to be visible) and noted it was much fainter and best seen with a relaxed emmetropic eye. To see it, one must be in a dark room, with one eye closed; one must ...
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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 of another disease state, most common of which is diabetic retinopathy . [ 2 ]
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Even artificial intelligence couldn't make up for flagging consumer demand at Best Buy ().For the 12th consecutive quarter, the retailer posted negative same-store sales growth, down 2.9% year ...