A first locus for isolated autosomal recessive optic atrophy (ROA1) maps to chromosome 8q. - Barbet,F.; Gerber,S.; Hakiki,S.; Perrault,I.; Hanein,S.; Ducroq,D.; Tanguy,G.; Dufier,J.L.; Munnich,A.; Rozet,J.M.; Kaplan,J. (Eur J Hum Genet, 2003)