The GA-genotype of the TEP1 gene rs1760904 showed a statistically significant longer RLTL in LHON patients compared with controls (p < 0.001) and the AA- and AG-genotypes of the TEP1 gene rs1713418 (p = 0.011 and p < 0.001, respectively). The gene discussed is TEP1; the disease is Leber hereditary optic neuropathy.