Human Phenotype Ontology 
Grandparent Node:
Abnormality of vision (HP:0000504)help
Grandparent Node:
Congenital stationary cone dysfunction (HP:0030637)help
Parent Node:
Color vision defect (HP:0000551)help
..Starting node
Color vision test abnormality (HP:0030584)help
Term ID: 30584
Name: Color vision test abnormality
Synonym: Colour vision test abnormality
Reference: HP:0030584
Genes and Diseases:
       Child Nodes:
........expandRed desaturation (HP:0030585) help
........expandAbnormal Ishihara plate test (HP:0030586) help
........expandAbnormal Hardy-Rand-Rittler plate test (HP:0030587) help

 Sister Nodes: 
..expandDyschromatopsia (HP:0007641) help
..expandMonochromacy (HP:0007803) help
InputHPO IDHPO termDistanceGeneGene id entrezDiseaseIdDiseaseNameDiseaseMIMConceptIDSourceTypical associationHGMD variantsClinVar variantsHGNC IDGeneMIM
HPO disease - gene - phenotype typical associations:
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0030584HP:0030584Color vision test abnormality0 CL E G H
HP:0030584HP:0030585Red desaturation1 CL E G H
HP:0030584HP:0030586Abnormal Ishihara plate test1 CL E G H
HP:0030584HP:0030587Abnormal Hardy-Rand-Rittler plate test1 CL E G H

Genes (0) :

Diseases (0) :

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is August 2021 release.