Human Phenotype Ontology 
Grandparent Node:
Abnormal anterior eye segment morphology (HP:0004328)help
Grandparent Node:
Abnormal uvea morphology (HP:0000553)help
Parent Node:
Abnormality iris morphology (HP:0000525)help
..Starting node
Iris atrophy (HP:0001089)help
Term ID: 1089
Name: Iris atrophy
Synonym: Iris degeneration
Definition: Loss of iris tissue (atrophy)
Reference: HP:0001089
Genes and Diseases:
       Child Nodes:

 Sister Nodes: 
..expandAbnormal iris pigmentation (HP:0008034) help
..expandAbnormal iris vasculature (HP:0007905) help
..expandAbnormal pupil morphology (HP:0000615) help
..expandAplasia/Hypoplasia of the iris (HP:0008053) help
..expandIridodonesis (HP:0100693) help
..expandIris coloboma (HP:0000612) help
..expandIris cyst (HP:0011523) help
..expandIris flocculi (HP:0500007) help
..expandIris melanoma (HP:0011524) help
..expandIris nevus (HP:0011525) help
..expandIritis (HP:0001101) help
..expandLisch nodules (HP:0009737) help
..expandUveal ectropion (HP:0025358) help
InputHPO IDHPO termDistanceGeneGene id entrezDiseaseIdDiseaseNameDiseaseMIMConceptIDSourceTypical associationHGMD variantsClinVar variantsHGNC IDGeneMIM
HPO disease - gene - phenotype typical associations:
HP:0001089HP:0001089Iris atrophy0ASPH CL E G H444601552Facial dysmorphism, lens dislocation, anterior segment abnormalities, and spontaneous filtering blebs601552C1832167OMIM1449757600582
HP:0001089HP:0001089Iris atrophy0LRP5 CL E G H4041259770Osteoporosis with pseudoglioma259770C0432252OMIM12214116697603506
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0001089HP:0001089Iris atrophy0OVOL2 CL E G H58495122000Posterior polymorphous corneal dystrophy 1122000CN029625OMIM042815804616441

Genes (3) :ASPH LRP5 OVOL2

Diseases (3) :601552 259770 122000

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is June 2019 release.