Symptom Information: Sort according to HPO 

1
 (HPO:0000548) Cone/cone-rod dystrophy 47 / 7739
2
 (HPO:0000551) Abnormality of color vision 20 / 7739
3
 (HPO:0000572) Visual loss 272 / 7739
4
 (HPO:0000603) Central scotoma 18 / 7739