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Postgrad Med J ; 56: 494-500, July 1980.
Artigo em Inglês | MedCarib | ID: med-12584

RESUMO

A series of 21 patients admitted to St. Thomas' Hospital, Medical Ophthalmology Unit, with a diagnosis of West Indian or West African amblyopia is reported. Patients were investigated for haematological, biochemical, serological, and radiological abnormalities and particular attention was paid to dietary history. Patients admitted in recent years also underwent neurophysiological investigations. No definite correlation between visual loss and dietary or family history was found, and there was no evidence that the improvement in vision which occured in just under half the patients on follow-up was related to treatment with hydroxocobalamin or multivitamins. Visual-evoked response in 4 patients showed a prolonged latency suggesting optic nerve demyelination, while in only one case was the electroculogram definitely subnormal. These findings contrast with those in "toxic" amblyopias and suggest that the syndrome of West Indian amblyopia may be due to bilateral optic nerve demyelination of unknown aetiology rather than the effect of toxic substances or nutritional deficiency on the retina. (AU)


Assuntos
Humanos , Criança , Adolescente , Pessoa de Meia-Idade , Masculino , Feminino , Ambliopia/diagnóstico , Ambliopia/tratamento farmacológico , Ambliopia/etiologia , Doenças Desmielinizantes/etiologia , Dieta/efeitos adversos , Hidroxocobalamina/uso terapêutico , Transtornos Nutricionais/complicações , Síndrome , África Ocidental , Londres , Índias Ocidentais
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