منابع مشابه
Cataracts in childhood leukaemia.
The incidence and severity of cataract were studied in 37 children who had completed treatment for acute lymphoblastic leukaemia. Twelve (32%) had posterior subcapsular lens opacities. Treatment had included corticosteroids and cranial irradiation, but no dose relationship was evident. The boys were more severely affected than the girls. Although none of the lens opacities was optically signifi...
متن کاملStrabismus and Congenital Cataracts
Purpose: To study the prevalence, characteristics, indications for and results of strabismus treatment secondary to congenital cataracts. Materials and methods: This was a retrospective study of 21 cases from 29 with congenital cataracts with strabismus (unilateral in 11 and bilateral in 10 cases). In 20 patients surgery on the cataracts was performed, with an intraocular lens inserted in 15 pa...
متن کاملCongenital hereditary cataracts.
Congenital cataracts are rare and occur in developed countries with a frequency of 30 cases among 100,000 births with a further 10 cases being diagnosed during childhood. They reflect mainly genetically caused developmental alterations in the lens and surrounding ocular tissues. Even if modern Human Genetics has made large steps forward in the characterization of human hereditary disorders, the...
متن کاملCataracts and avionic radiations.
Nine cases of hertzian radiation cataracts are reported among personnel working in operational aviation environments, where they were irradiated repeatedly at subliminal non-thermal field intensities. The resultant ocular pathology evolved insidiously and slowly over a period of years in a similar way to other forms of radiational injury. By the time of consultation examination, all had progres...
متن کاملConnexin Mutants and Cataracts
The lens is a multicellular, but avascular tissue that must stay transparent to allow normal transmission of light and focusing of it on the retina. Damage to lens cells and/or proteins can cause cataracts, opacities that disrupt these processes. The normal survival of the lens is facilitated by an extensive network of gap junctions formed predominantly of connexin46 and connexin50. Mutations o...
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ژورنال
عنوان ژورنال: JAMA
سال: 2003
ISSN: 0098-7484
DOI: 10.1001/jama.290.2.286