Late emergence of macular sparing in a stroke patient: Clinical Case Report

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Abstract

Rationale:

Occlusive cerebrovascular disease is the most common cause of homonymous hemianopia (HH) with macular sparing.

Patient concerns:

A 61-year-old man came to our ophthalmology clinic complaining of right-side hemianopia. Ophthalmic examination, visual field (VF) examination, and brain magnetic resonance imaging (MRI) were performed.

Diagnoses:

He had right HH without macular sparing on the initial VF test. And brain MRI 6 days after the visual symptoms began revealed a left occipital infarction.

Interventions and Outcomes:

Thirty-seven days after the onset, his follow-up 24-2 VF examination showed HH with bilateral macular sparing, which was not apparent in the initial VF examination. About 4 months after the stroke, his central 10-2 VF examination also showed HH with bilateral macular sparing.

Lessons:

We report a case of HH with a dramatic improvement in central vision several days after an occipital infarction. To our knowledge, this is the first case to show macular sparing developing after several days.

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