Symptom Information: Sort according to HPO 

1
(HPO:0000510) Rod-cone dystrophy 18976725 IBIS 266 / 7739
2
(HPO:0000550) Undetectable electroretinogram 18976725 IBIS 25 / 7739
3
(HPO:0000662) Nyctalopia 18976725 IBIS 92 / 7739
4
(HPO:0001133) Constriction of peripheral visual field 18976725 IBIS 33 / 7739
5
(HPO:0007737) Bone spicule pigmentation of the retina 18976725 IBIS 26 / 7739
6
(HPO:0007843) Attenuation of retinal blood vessels 18976725 IBIS 25 / 7739
7
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739