Bardet-Biedl syndrome: two case reports

Abstract

Bardet-Biedl syndrome is a hereditary autosomal recessive disease characterized by retinal dystrophy, polydactyly, obesity, mental retardation, and hypogenitalism. One or more of the clinical features characterizing the syndrome may be absent, but retinal dystrophy is a consistent finding. It becomes clinically manifest in early childhood, with progressive loss of visual function, leading to severe visual disability in early adolescence. The authors describe two cases of Bardet-Biedl syndrome, the results of visual acuity, slit-lamp examination, ophthalmoscopy, angiography, visual fields and electroretinograms. The literature was reviewed stressing the importance of identifying systemic signs, ocular involvement, electrophysiologic tests and genetic evaluation.

Bardet-Biedl syndrome; Retinitis pigmentosa; Choroid; Child; Adult; Case report; Literature review