Color vision defects
http://purl.bioontology.org/ontology/OMIM/MTHU006100
C0009398
http://purl.bioontology.org/ontology/OMIM/615973
http://purl.bioontology.org/ontology/OMIM/601152
MTHU006100
T047
http://purl.bioontology.org/ontology/OMIM/MTHU000020