Symptom Information: Sort according to HPO 

1
(HPO:0000543) Optic disc pallor Very frequent [IBIS] 100% (n=10) 20454697 IBIS 67 / 7739
2
(HPO:0000572) Visual loss Very frequent [IBIS] 11523562 IBIS 272 / 7739
3
(HPO:0001138) Optic neuropathy Very frequent [IBIS] 24568867 IBIS 12 / 7739
4
(HPO:0001112) Leber optic atrophy Very frequent [IBIS] 3201231 IBIS 9 / 7739
5
(HPO:0003287) Abnormality of mitochondrial metabolism Very frequent [IBIS] 26170609 IBIS 12 / 7739
6
(HPO:0000603) Central scotoma Frequent [IBIS] 80% (n=10) 20454697 IBIS 18 / 7739
7
(HPO:0000505) Visual impairment Frequent [IBIS] 26170609 IBIS 297 / 7739
8
(HPO:0007641) Dyschromatopsia Frequent [IBIS] 26170609 IBIS 19 / 7739
9
(HPO:0000576) Centrocecal scotoma Occasional [IBIS] 10% (n=10) 20454697 IBIS 6 / 7739
10
(HPO:0001716) Wolff-Parkinson-White syndrome 23549648 IBIS 21 / 7739
11
(HPO:0000648) Optic atrophy 3201231 IBIS 238 / 7739
12
(HPO:0000622) Blurred vision 14620678 IBIS 14 / 7739
13
(HPO:0000618) Blindness 11897814 IBIS 124 / 7739
14
(HPO:0002066) Gait ataxia 19301602 IBIS 327 / 7739
15
(HPO:0009830) Peripheral neuropathy 20454697 IBIS 206 / 7739
16
(HPO:0002174) Postural tremor 20454697 IBIS 22 / 7739
17
(HPO:0100022) Abnormality of movement 20454697 IBIS 129 / 7739
18
(HPO:0001332) Dystonia 26170609 IBIS 197 / 7739
19
(HPO:0002311) Incoordination 15657614 IBIS 84 / 7739
20
(HPO:0001251) Ataxia 26170609 IBIS 413 / 7739
21
(HPO:0001678) Atrioventricular block 12807863 IBIS 59 / 7739
22
(HPO:0011675) Arrhythmia 20454697 IBIS 226 / 7739
23
(HPO:0004948) Vascular tortuosity 26170609 IBIS 5 / 7739
24
(HPO:0003198) Myopathy 20454697 IBIS 151 / 7739
25
(OMIM) Spastic dystonia 8644732 IBIS 3 / 7739
26
(MedDRA:10062198) Microangiopathy 3201231 IBIS 4 / 7739
27
(OMIM) Multiple sclerosis-like illness (516003.0001) 1393514 IBIS 3 / 7739
28
(OMIM) Nonspecific myopathy 20454697 IBIS 2 / 7739
29
(OMIM) Histology shows degeneration of retinal ganglion cells 26170609 IBIS 2 / 7739
30
(HPO:0200057) Marcus Gunn pupil 26170609 IBIS 3 / 7739
31
(HPO:0012795) Abnormality of the optic disc 26170609 IBIS 187 / 7739
32
(HPO:3000036) Abnormality of head blood vessel 26170609 IBIS 1 / 7739
33
(HPO:0001085) Papilledema 26170609 IBIS 31 / 7739
34
(HPO:0000538) Pseudopapilledema 26170609 IBIS 4 / 7739
35
(MedDRA:10071196) Optic disc hyperaemia 26170609 IBIS 1 / 7739
36
(HPO:0001009) Telangiectasia 26170609 IBIS 46 / 7739
37
(OMIM) Swelling of retinal nerve fiber layer (acute phase) 26170609 IBIS 2 / 7739
38
(HPO:0030607) Reduced OCT-measured macular thickness 26170609 IBIS 1 / 7739
39
(HPO:0000649) Abnormality of visual evoked potentials 26170609 IBIS 34 / 7739
40
(HPO:0000512) Abnormal electroretinogram 26170609 IBIS 61 / 7739
41
(MedDRA:10057361) Blood brain barrier defect 26170609 IBIS 1 / 7739