Symptom Information: Sort according to HPO 

1
(HPO:0000488) Retinopathy 75 / 7739
2
(HPO:0000572) Visual loss 272 / 7739
3
(HPO:0000618) Blindness 124 / 7739
4
(HPO:0000648) Optic atrophy 238 / 7739
5
(HPO:0000750) Delayed speech and language development 197 / 7739
6
(HPO:0001251) Ataxia 413 / 7739
7
(HPO:0001263) Global developmental delay 853 / 7739
8
(HPO:0001268) Mental deterioration 88 / 7739
9
(HPO:0001272) Cerebellar atrophy 197 / 7739
10
(HPO:0002059) Cerebral atrophy 171 / 7739
11
(HPO:0002123) Generalized myoclonic seizures 62 / 7739
12
(HPO:0002180) Neurodegeneration 31 / 7739
13
(HPO:0002353) EEG abnormality 188 / 7739
14
(HPO:0002360) Sleep disturbance 113 / 7739
15
(HPO:0000529) Progressive visual loss 54 / 7739
16
(OMIM) Cognitive decline, rapid 1 / 7739
17
(OMIM) Refractory seizures 15 / 7739
18
(OMIM) Intracellular accumulation of material resulting in curvilinear profiles on ultrastructural analysis 1 / 7739
19
(OMIM) Intracellular accumulation of material resulting in fingerprint profiles on ultrastructural analysis 1 / 7739
20
(OMIM) Intracellular accumulation of material resulting in rectilinear profiles on ultrastructural analysis 1 / 7739
21
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
22
(HPO:0000580) Pigmentary retinopathy 49 / 7739
23
(HPO:0003621) Juvenile onset 105 / 7739
24
(HPO:0003678) Rapidly progressive 33 / 7739