Symptom Information: Sort according to HPO 

1
(HPO:0001315) Reduced tendon reflexes Frequent [Orphanet] 160 / 7739
2
(HPO:0000486) Strabismus Occasional [Orphanet] 576 / 7739
3
(HPO:0000407) Sensorineural hearing impairment Very frequent [Orphanet] 524 / 7739
4
(HPO:0000649) Abnormality of visual evoked potentials Occasional [Orphanet] 34 / 7739
5
(HPO:0007021) Pain insensitivity Very frequent [Orphanet] 35 / 7739
6
(HPO:0003134) Abnormality of peripheral nerve conduction Occasional [Orphanet] 38 / 7739
7
(HPO:0000648) Optic atrophy 238 / 7739
8
(HPO:0000505) Visual impairment Frequent [Orphanet] 297 / 7739
9
(HPO:0000642) Red-green dyschromatopsia Frequent [Orphanet] 25 / 7739
10
(HPO:0000408) Progressive sensorineural hearing impairment 28 / 7739
11
(HPO:0002166) Impaired vibration sensation in the lower limbs 26 / 7739
12
(HPO:0002522) Areflexia of lower limbs 16 / 7739
13
(HPO:0000572) Visual loss 272 / 7739
14
(HPO:0000618) Blindness 124 / 7739
15
(OMIM) Nerve conduction velocities may be normal or mildly decreased 1 / 7739
16
(HPO:0012795) Abnormality of the optic disc Very frequent [Orphanet] 187 / 7739
17
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739