ABSTRACT We present a case of an autosomal dominant optic neuropathy, known as Kjer’s disease. The condition can manifest since childhood, presenting with bilateral symmetric optic atrophy and progressive vision loss. Genetics play a crucial role in the differential diagnosis, due to the association with the OPA-1 gene. In this report, we describe the case of a young vegan woman, initially diagnosed with optic neuropathy due to nutritional deficiency, but with laboratory tests within normal limits and a significant family […]