Optic Atrophy 1, also known as optic atrophy, autosomal dominant, is related to mitochondrial dna depletion syndrome 14 and autosomal dominant optic atrophy, classic form. An important gene associated with Optic Atrophy 1 is OPA1 (OPA1 Mitochondrial Dynamin Like GTPase). The drugs Niacin and Nicotinamide have been mentioned in the context of this disorder. Affiliated tissues include retina and eye, and related phenotypes are progressive external ophthalmoplegia and proximal muscle weakness