Symptom Information: Sort according to HPO 

1
 (HPO:0000648) Optic atrophy 238 / 7739
2
 (OMIM) Negative electroretinogram (ERG) 1 / 7739
3
 (HPO:0000006) Autosomal dominant inheritance 2518 / 7739
4
 (HPO:0000512) Abnormal electroretinogram 61 / 7739