Symptom Information: Sort according to HPO 

1
(HPO:0000488) Retinopathy Occasional [Orphanet] 75 / 7739
2
(HPO:0000708) Behavioral abnormality Very frequent [Orphanet] 212 / 7739
3
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
4
(HPO:0002071) Abnormality of extrapyramidal motor function Very frequent [Orphanet] 76 / 7739
5
(HPO:0002066) Gait ataxia Very frequent [Orphanet] 327 / 7739
6
(HPO:0004305) Involuntary movements Very frequent [Orphanet] 50 / 7739
7
(HPO:0007256) Abnormal pyramidal signs Very frequent [Orphanet] 116 / 7739
8
(HPO:0000572) Visual loss Occasional [Orphanet] 272 / 7739
9
(HPO:0011442) Abnormality of central motor function Very frequent [Orphanet] 76 / 7739
10
(HPO:0100543) Cognitive impairment Very frequent [Orphanet] 230 / 7739