[Retinal detachment in aphakia].
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Biomedical subjects
Publications and source records attributed to Y Tardif.
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The authors report seven patients in whom the acute retinal necrosis (ARN) syndrome developed shortly after cutaneous varicella zoster infection. The length of time between the skin infection and ARN varied from 5 days to 3 months. Both eyes were affected in one of seven cases. The ophthalmic branch of cranial nerve V ipsilateral to an affected eye was involved by the zoster dermatitis in only two of the seven cases. The association lends further support to the proposal that herpes zoster virus is a major cause of ARN. A history of recent zoster dermatitis should be sought in patients with ARN.
The authors describe a patient with exudative retinal detachment who presented characteristics of uveal effusion syndrome and of idiopathic central serous choroidopathy. The causes and current approaches to treatment are discussed.
A retrospective study of 14 cases of retinopathy due to canthaxanthine, a carotenoid recently used as a skin-tanning agent, revealed that several clinical factors were associated with an increased susceptibility to retinal deposits: focal epitheliopathy, ocular hypertension and, possibly, the concurrent use of beta-carotene. Age has already been established as such a factor.
Canthaxanthine, a non-provitamin A carotenoid, has been marketed in Canada since March 1979 as a skin-tanning agent. Fifty-one individuals who ingested from 3.6 to 66 g of the drug within a 24-month period were ophthalmologically evaluated. Six of them had deposits in the ocular fundus that appeared to be related to ingestion of the substance, but no functional impairment could be detected.
This article describes two patients with a bilateral maculopathy due to the presence of numerous glistening yellow particles located mainly around the edge of the macular pit. This picture has apparently not been reported before. Further studies are needed to confirm a possibly toxic origin.
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We reviewed thirty-two cases of central serous choroidopathy and retained twenty-five for a twelve-month study of the natural history of this disease. The main conclusions are that the disease is benign and self-limited; it sometimes leaves sequelae such as subnormal visual acuity because of faveolar leak through Bruch's membrane; photocoagulation is useful only in a minority of cases.