Table 1

Characteristics of cases of optic neuropathy

AgeSexVision (R:L)Colour deficitOptic atrophyHearing lossStomatitis
13F6/36:6/60+++
10F6/24:6/36++
15M6/9:6/9++++
12F6/9:6/9+++
14M6/18:6/18+++
12M6/18:6/36++
16F6/9:6/9++
12F6/36:6/36++
14F6/36:6/36++