Human Phenotype Ontology 
Grandparent Node:
Abnormal eye physiology (HP:0012373)help
Parent Node:
Abnormal visual electrophysiology (HP:0030453)help
..Starting node
Abnormal electrooculogram (HP:0030454)help
Term ID: 30454
Name: Abnormal electrooculogram
Synonym: Abnormal EOG
Definition: The clinical electro-oculogram (EOG) is an electrophysiological test of function of the outer retina and retinal pigment epithelium (RPE) in which changes in electrical potential across the RPE are recorded during successive periods of dark and light adaptation.
Reference: HP:0030454
Genes and Diseases:
       Child Nodes:
........expandDecreased Arden ratio of electrooculogram (HP:0008179) help
........expandIncreased Arden ratio of electrooculogram (HP:0031155) help

 Sister Nodes: 
..expandAbnormal electroretinogram (HP:0000512) help
..expandAbnormality of visual evoked potentials (HP:0000649) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
HPO disease - gene - phenotype typical associations:
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0030454HP:0030454Abnormal electrooculogram0ATXN3 CL E G H42877106OMIM:109150Machado-Joseph disease.14
HP:0030454HP:0030454Abnormal electrooculogram0IMPG1 CL E G H36176055OMIM:616151Macular dystrophy, vitelliform, 44
HP:0030454HP:0031155Increased Arden ratio of electrooculogram1 CL E G H
HP:0030454HP:0008179Decreased Arden ratio of electrooculogram1IMPG1 CL E G H36176055OMIM:616151Macular dystrophy, vitelliform, 44

Genes (2) :ATXN3 IMPG1

Diseases (2) :OMIM:109150 OMIM:616151

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.