Symptom Information: Sort according to HPO 

1
(HPO:0000543) Optic disc pallor 67 / 7739
2
(HPO:0000563) Keratoconus rare [HPO:skoehler] 25 / 7739
3
(HPO:0000662) Nyctalopia 92 / 7739
4
(HPO:0007401) Macular atrophy 14 / 7739
5
(HPO:0007663) Reduced visual acuity 100 / 7739
6
(HPO:0007688) Undetectable light- and dark-adapted electroretinogram 9 / 7739
7
(HPO:0007843) Attenuation of retinal blood vessels 25 / 7739
8
(HPO:0012043) Pendular nystagmus 11 / 7739
9
(OMIM) Poor central vision or blindness from birth 1 / 7739
10
(OMIM) Night blindness, severe 1 / 7739
11
(OMIM) Pigment clumping 2 / 7739
12
(OMIM) Retinal vessels severely attenuated 1 / 7739
13
(OMIM) Macular atrophy 5 / 7739
14
(OMIM) Cone and rod responses borderline or nondetectable on electroretinography (ERG) by the second decade of life 1 / 7739
15
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
16
(HPO:0000548) Cone/cone-rod dystrophy 47 / 7739