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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:Poor visual behavior for age
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Accession:HP:0025152 term browser browse the term
Definition:Lack of visual responsiveness or decrease in visual capabilities suggesting a lack of visual responsiveness or decrease in visual capabilities in an infant or young child in which visual behavior fails to meet normal developmental milestones.
Comment:A failure to meet age-related milestones in areas such as (i) focusing ability, (ii) eye coordinationg and tracking of objects in the visual field, (iii) depth perception, (iv) color perception, and (v) object and face recognition. These milestones are generally met in the first three months of life, and failure to meet them may indicate abnormal visual development or function.
Synonyms:exact_synonym: Abnormal visual behavior for age;   Abnormal visual behaviour for age;   Poor visual behaviour for age

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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
            Poor visual behavior for age 0
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