Symptom Information: Sort according to HPO 

1
(HPO:0000648) Optic atrophy Very frequent [IBIS] 23188110 IBIS 238 / 7739
2
(HPO:0001258) Spastic paraplegia Very frequent [IBIS] 23188110 IBIS 97 / 7739
3
(HPO:0009830) Peripheral neuropathy Very frequent [IBIS] 23188110 IBIS 206 / 7739
4
(HPO:0000505) Visual impairment 23188110 IBIS 297 / 7739
5
(HPO:0000603) Central scotoma 23188110 IBIS 18 / 7739
6
(HPO:0001347) Hyperreflexia 23188110 IBIS 363 / 7739
7
(HPO:0001762) Talipes equinovarus 23188110 IBIS 309 / 7739
8
(HPO:0002169) Clonus 23188110 IBIS 37 / 7739
9
(HPO:0002355) Difficulty walking 23188110 IBIS 61 / 7739
10
(HPO:0002936) Distal sensory impairment 23188110 IBIS 96 / 7739
11
(HPO:0003376) Steppage gait 23188110 IBIS 41 / 7739
12
(HPO:0003383) Onion bulb formation 23188110 IBIS 30 / 7739
13
(HPO:0003477) Peripheral axonal neuropathy 23188110 IBIS 62 / 7739
14
(HPO:0000575) Scotoma 23188110 IBIS 11 / 7739
15
(HPO:0100543) Cognitive impairment 23188110 IBIS 230 / 7739
16
(HPO:0002079) Hypoplasia of the corpus callosum rare [HPO:skoehler] 23188110 IBIS 161 / 7739
17
(HPO:0007663) Reduced visual acuity rare [HPO:skoehler] 23188110 IBIS 100 / 7739
18
(HPO:0000602) Ophthalmoplegia 20598281 IBIS 56 / 7739
19
(HPO:0011923) Decreased activity of mitochondrial complex I 23188110 IBIS 35 / 7739
20
(HPO:0008347) Decreased activity of mitochondrial complex IV 23188110 IBIS 31 / 7739
21
(HPO:0011925) Decreased activity of mitochondrial ATP synthase complex 23188110 IBIS 10 / 7739
22
(HPO:0008972) Decreased activity of mitochondrial respiratory chain 23188110 IBIS 34 / 7739
23
(HPO:0001272) Cerebellar atrophy 23188110 IBIS 197 / 7739
24
(HPO:0000546) Retinal degeneration 23188110 IBIS 61 / 7739
25
(HPO:0001250) Seizures 23188110 IBIS 1245 / 7739
26
(HPO:0002071) Abnormality of extrapyramidal motor function 23188110 IBIS 76 / 7739
27
(HPO:0009063) Progressive distal muscle weakness 23188110 IBIS 4 / 7739
28
(HPO:0030532) Visual acuity test abnormality 23188110 IBIS 4 / 7739
29
(HPO:0007340) Lower limb muscle weakness 23188110 IBIS 61 / 7739
30
(HPO:0006135) Decreased finger mobility 23188110 IBIS 2 / 7739
31
(HPO:0001257) Spasticity 23188110 IBIS 251 / 7739
32
(HPO:0011449) Knee clonus 23188110 IBIS 10 / 7739
33
(HPO:0003431) Decreased motor nerve conduction velocity 23188110 IBIS 51 / 7739
34
(HPO:0003448) Decreased sensory nerve conduction velocity 23188110 IBIS 9 / 7739
35
(HPO:0003457) EMG abnormality 23188110 IBIS 78 / 7739
36
(HPO:0003202) Skeletal muscle atrophy 23188110 IBIS 281 / 7739