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RGD uses the Human Disease Ontology (DO, for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.

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Accession:DOID:9007776 term browser browse the term
Definition:Partial or complete loss of vision in one half of the visual field(s) of one or both eyes. Subtypes include altitudinal hemianopsia, characterized by a visual defect above or below the horizontal meridian of the visual field. Homonymous hemianopsia refers to a visual defect that affects both eyes equally, and occurs either to the left or right of the midline of the visual field. Binasal hemianopsia consists of loss of vision in the nasal hemifields of both eyes. Bitemporal hemianopsia is the bilateral loss of vision in the temporal fields. Quadrantanopsia refers to loss of vision in one quarter of the visual field in one or both eyes.
Synonyms:exact_synonym: Altidudinal Hemianopia;   Altidudinal Hemianopias;   Altitudinal Hemianopsia;   Altitudinal Hemianopsias;   Binasal Hemianopia;   Binasal Hemianopias;   Binasal Hemianopsia;   Binasal Hemianopsias;   Bitemporal Hemianopia;   Bitemporal Hemianopias;   Bitemporal Hemianopsia;   Bitemporal Hemianopsias;   Hemianopia;   Hemianopias;   Hemianopsias;   Homonymous Hemianopia;   Homonymous Hemianopias;   Homonymous Hemianopsia;   Homonymous Hemianopsias;   Quadrantanopia;   Quadrantanopias;   Quadrantanopsia;   Quadrantanopsias
 primary_id: MESH:D006423;   RDO:0005747
For additional species annotation, visit the Alliance of Genome Resources.

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Term paths to the root
Path 1
Term Annotations click to browse term
  disease 16058
    sensory system disease 5213
      eye disease 2652
        blindness 96
          Hemianopsia 0
Path 2
Term Annotations click to browse term
  disease 16058
    disease of anatomical entity 15305
      nervous system disease 10879
        Neurologic Manifestations 4189
          Sensation Disorders 1019
            Vision Disorders 199
              blindness 96
                Hemianopsia 0
paths to the root


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.