Examples include OPA1 that was verified in a patient with optic atrophy and neuropsychiatric disorders (MIM #125250); Sarcoglycan Gamma (SGCG) that was verified in a patient with muscular dystrophy (MIM #253700); and tumor protein p63 (TP63) that was verified in a patient with for ectodermal dysplasia syndrome (MIM #103285, #604292). Here, SGCG is linked to optic atrophy.