Acute Bilateral Visual Loss in Moyamoya Disease after COVID–19 Vaccination: A Case Report
Keywords:
bilateral visual loss, Moyamoya disease, COVID-19 vaccinationAbstract
Purpose: To report a Moyamoya patient who presented with acute bilateral visual loss after covid – 19 vaccination.
Case presentation: A 39-year-old Thai man presented with bilateral visual loss three days after the first dose of COVID-19 vaccination (inactivated vaccine - Coronavac or Sinovac). Eye examination revealed total visual field defects in both eyes. The MRI showed acute infarction in the left occipital cortex and old infarction in the right occipital cortex and other areas of the cerebral hemisphere. MRA showed severe narrowing of both ICAs and both MCAs, with collateral supplied with forming a puff of smoke appearance, representing Moyamoya’s disease.
Conclusion: Acute bilateral visual loss caused by occipital infarction in Moyamoya’s disease after COVID – 19 vaccination. It may be a coincidence or triggered by COVID-19 vaccine, Corona Vac.
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