Symptom Information: Sort according to HPO 

1
(HPO:0000572) Visual loss Occasional [Orphanet] 272 / 7739
2
(HPO:0002334) Abnormality of the cerebellar vermis Occasional [Orphanet] 137 / 7739
3
(HPO:0001252) Muscular hypotonia Occasional [Orphanet] 990 / 7739
4
(HPO:0001251) Ataxia 413 / 7739
5
(HPO:0002066) Gait ataxia Occasional [Orphanet] 327 / 7739
6
(HPO:0000510) Rod-cone dystrophy Occasional [Orphanet] 266 / 7739
7
(HPO:0001288) Gait disturbance Occasional [Orphanet] 318 / 7739
8
(HPO:0000639) Nystagmus Occasional [Orphanet] 555 / 7739
9
(HPO:0000547) Tapetoretinal degeneration 11 / 7739
10
(HPO:0012758) Neurodevelopmental delay Occasional [Orphanet] 949 / 7739
11
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
12
(HPO:0001425) Heterogeneous 132 / 7739