Human Phenotype Ontology 
Grandparent Node:
Abnormality of ocular smooth pursuit (HP:0000617)help
Parent Node:
Impaired smooth pursuit (HP:0007772)help
..Starting node
Absent smooth pursuit (HP:0007179)help
Term ID: 7179
Name: Absent smooth pursuit
Definition: A complete lack of the ability to track objects with the ocular smooth pursuit system, a class of rather slow eye movements that minimizes retinal target motion.
Reference: HP:0007179
Genes and Diseases:
       Child Nodes:

 Sister Nodes: 
..expandImpaired horizontal smooth pursuit (HP:0001151) 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:0007179HP:0007179Absent smooth pursuit0RARS CL E G H5917438114ORPHA09870107820

Genes (1) :RARS

Diseases (1) :438114

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