نورگ‌زایی کورویید دوطرفه و Angioid Streaks در بیمار مبتلا به تالاسمی بتا
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Angioid streaks and elastorrhexis.
ANGIOID streaks are thought to be due to breaks in the elastic lamina of Bruch's membrane. Ophthalmoscopically they present a jagged peripapillary ring which may be incomplete and from which radiate irregular spokes of width similar to retinal vessels. With time, they may progress, or become less distinct. Their colour varies from reddish-brown to dark brown according to the density of the over...
متن کاملAngioid Streaks in Psuedoxanthoma Elasticum
Pseudoxanthoma elasticum (PXE) is a hereditary disorder that affects primarily the elastic tissues of skin, eyes and blood vessels. Its estimated prevalence is thought to be 1:25,000 100,000. PXE patients also carry an increased risk for cardiovascular and gastrointestinal diseases. Early diagnosis can play a crucial role in preventing early loss of vision and systemic complications in these pa...
متن کاملClassification of angioid streaks.
ANGIOID streaks of the retina were first described by Doyne (1889). They have since been the subject of much controversy. More than 200 cases have been reported in the literature, but histological studies have been few and the changes described have varied. The condition is frequently associated with pseudoxanthoma elasticum, with cardiovascular disease, and with Paget's disease of bone. A simi...
متن کاملAngioid streaks of the retina.
A table of the optical power of obliquely crossed cylinders, and the implications of oblique cylinder ideas for retinoscopy with cylinders are presented. The basis of streak-retinoscopy is a band-like retinal image of the immediate source of light, which can be rotated in the principal meridians of astigmatism. Similarities exist between cylinder-retinoscopy and streak-retinoscopy as regards as...
متن کاملAngioid Streaks in Pituitary Tumour.
IN recent years there have been many references to angioid streaks of the retina found in association with pseudoxanthoma elasticum and Paget's disease of bones (Elwyn, 1953; Cowper, 1954; Bedrossian, 1958; Hogan and Zinmerman, 1962). A review of the current literature on angioid streaks and on brain tumours revealed no cases of angioid streaks in patients who presented with ocular manifestatio...
متن کاملFluorescein fundus photography of angioid streaks.
The most characteristic ocular lesions in pseudoxanthoma elasticum are the angioid streaks which may be seen in about 85 per cent. of cases. The associated features in the fundus are a peculiar mottled appearance (Shimizu, I96I), peau d'orange (Smith, Gass, and Justice, I964), and yellowish-white spots (salmon spots). While most subjects showing angioid streaks have pseudoxanthoma elasticum, cl...
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عنوان ژورنال
دوره 25 شماره 3
صفحات 302- 305
تاریخ انتشار 2021-05
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