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Congenital homonymous hemianopia

F J Bajandas, J B Mcbeath, J L Smith

    American Journal of Ophthalmology
    |September 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Congenital homonymous hemianopia often goes unnoticed by patients and is linked to other developmental issues. Early diagnosis is aided by recognizing optic disk abnormalities and associated neurological findings.

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    Area of Science:

    • Ophthalmology
    • Neurology
    • Pediatrics

    Background:

    • Congenital homonymous hemianopia (CHH) is a rare visual disorder present from birth.
    • Patients with CHH are often unaware of their visual field defect, delaying diagnosis.
    • CHH can be associated with other congenital abnormalities, complicating clinical presentation.

    Purpose of the Study:

    • To highlight key clinical features aiding in the diagnosis of congenital homonymous hemianopia.
    • To improve clinician awareness of subtle signs indicative of this congenital condition.
    • To correlate visual field defects with associated ocular and neurological findings.

    Main Methods:

    • Retrospective case review of eight patients diagnosed with congenital homonymous hemianopia.
    • Clinical examination focusing on visual field assessment, optic nerve appearance, and associated abnormalities.

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  • Analysis of patient history, including neonatal and gestational factors.

    • Main Results:

    • Patients were typically unaware of their visual field defect.
    • Incomplete hemianopia was usually congruous, with normal opticokinetic nystagmus.
    • Optic disk atrophy or hypoplasia was observed in most cases.
    • Frequent association with congenital ocular and neurological abnormalities.
    • History often included neonatal/gestational difficulties, followed by learning and behavioral issues without intellectual disability.

    Conclusions:

    • Congenital homonymous hemianopia diagnosis can be challenging due to patient unawareness.
    • Optic disk appearance and associated neurological findings are crucial diagnostic clues.
    • CHH may be part of a broader spectrum of congenital neurological and developmental issues.