Table 2. Lifetime risk of visual failure for Leber hereditary optic neuropathy carriers and recovery rates.

	Pedigrees (n)	Median onset	Male: female ratio	Visual recovery (%)	Reference
m.3460G>A	9	29 years	2.3:1	22	22
	8	20 years	4.3:1	25	20
m.11778G>A	49	28 years	4.5:1	4	21
	66	24 years	3.7:1	25	20
	10	29 years	5.3:1	25	28
m.14484T>C	17	27 years	2.1:1	37	23
	23	19 years	7.7:1	58	11