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Bitemporal hemianopia

Anatomy: Lesions of the optic chiasm
Lesion types
    Pituitary adenoma
    Sellar meningioma
Partial defects may require red object to detect
May cause loss of fusion: Produces transient
    Overlap or disconnection of preserved hemifields
    "Hemifield slide"
      Splitting or separation of fields
      Non-paretic diplopia

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Visual field loss diagrams
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