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Hemifield slide from traumatic optic chiasmopathy.

John H Pula¹, Matthew Fischer², Jorge C Kattah²

¹NorthShore University Health System, 2650 Ridge Avenue, Evanston, IL 60201, USA.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia

|March 12, 2014

Summary

This summary is machine-generated.

A traumatic brain injury caused skull fractures, leading to optic chiasm damage. This resulted in a rare visual defect called hemifield slide, affecting the patient

Keywords:

Bitemporal hemianopia Bitemporal hemianopsia Hemifield slide Hemifield slip Traumatic optic chiasmopathy

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Area of Science:

Neuroscience
Ophthalmology
Trauma Surgery

Background:

High-velocity linear acceleration closed head injuries can cause complex skull base fractures.
Optic chiasm injuries can lead to significant visual field defects.

Observation:

A 56-year-old man sustained a head injury with skull fractures at the planum sphenoidale and tuberculum sellae.
The patient reported blurry vision and intermittent double vision (diplopia).
Visual field testing revealed a bitemporal hemianopia.

Findings:

Brain MRI demonstrated encephalomalacia within the optic chiasm.
This optic chiasm injury was identified as the cause of the bitemporal hemianopia.
The patient experienced a subsequent hemifield slide, a rare visual phenomenon resulting from optic chiasm damage.

Implications:

This case highlights a rare complication of traumatic brain injury affecting the visual pathways.
Understanding hemifield slide is crucial for diagnosing and managing visual disturbances after head trauma.
Further research into the neuro-visual processing disruptions following optic chiasm injury is warranted.