Symptom Information: Sort according to HPO 

1
(HPO:0000505) Visual impairment 9565049 IBIS 297 / 7739
2
(HPO:0000533) Chorioretinal atrophy 9565049 IBIS 24 / 7739
3
(HPO:0000654) Decreased light- and dark-adapted electroretinogram amplitude 9565049 IBIS 17 / 7739
4
(HPO:0000662) Nyctalopia 9565049 IBIS 92 / 7739
5
(HPO:0001146) Pigmentary retinal degeneration 9565049 IBIS 15 / 7739
6
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
7
(HPO:0000510) Rod-cone dystrophy 266 / 7739