Fig. 1From: Visual prognosis better in eyes with less severe reduction of visual acuity one year after onset of Leber hereditary optic neuropathy caused by the 11,778 mutationDistribution of the final visual acuities in 122 eyes of 61 patients with LHON. Legal blindness is defined in the USA as a visual acuity of ≤ 0.1. Twenty-five eyes of 122 eyes (20.5%) had a final visual acuity of ≥ 0.2. HM: hand motion, FC: finger countBack to article page