Poor night vision
http://purl.bioontology.org/ontology/OMIM/MTHU035289
C0028077
http://purl.bioontology.org/ontology/OMIM/614186
http://purl.bioontology.org/ontology/OMIM/615922
MTHU035289
T047
http://purl.bioontology.org/ontology/OMIM/MTHU000020