TERC and Leber hereditary optic neuropathy: RLTL was also found to be statistically significantly longer in LHON than in controls with TERC rs12696304 CC (median (IQR): 3.097 (3.780) vs. 0.456 (0.652), p = 0.005), CG (median (IQR): 12.105 (16.187) vs. 0.694 (0.573), p = 0.008) and GG genotypes (median (IQR): 9.764 (-) vs. 0.982 (1.529), p = 0.025) (Table 4).