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Homonymous paracentral scotomas.

¹Abteilung Neurologie, Klinikum Charlottenburg, Freie Universität Berlin.

Journal of Neurology

|October 1, 1987

Summary

Three patients with visual field defects experienced paracentral scotomas, photophobia, and reading difficulties. Two cases resolved, suggesting glare as a cause, while one persisted despite normal imaging.

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Area of Science:

Ophthalmology
Neurology

Background:

Homonymous visual field defects can arise from central neurological origins.
Paracentral scotomas are rare but significant visual disturbances.

Observation:

Three out of 230 patients presented with paracentral scotomas, severe photophobia, and reading difficulties.
Two patients linked scotoma onset to glare, with subsequent resolution of symptoms.
One patient's scotoma persisted, with no neurological deficits found besides the visual field defect.

Findings:

The visual field defects were precisely defined by perimetry.
Two scotomas were attributed to generalized cerebral hypoxia; one remained undefined.
Despite suspected striate region lesions, imaging revealed no abnormalities.

Implications:

Glare may contribute to paracentral scotoma development and resolution in some cases.
Persistent unexplained scotomas warrant further investigation despite negative neuroimaging.
Understanding the etiology of these visual field defects is crucial for patient management.

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