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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Color vision test abnormality
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Accession:HP:0030584 term browser browse the term
Synonyms:exact_synonym: Colour vision test abnormality
 xref: UMLS:C4073057

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Term paths to the root
Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the eye 0
        Abnormal eye physiology 0
          Abnormality of vision 0
            Color vision defect 0
              Color vision test abnormality 0
                Abnormal Hardy-Rand-Rittler plate test 0
                Abnormal Ishihara plate test 0
                Red desaturation 0
paths to the root