Complete Visual Recovery From Severe Outer Retinitis After Tonsillitis.
2020
BACKGROUND To report a case of severe acute bilateral outer retinitis after tonsillitis and rapid morphologic and functional recovery after steroid treatment. METHODS Observational case report. RESULTS A 26-year-old woman with acute bilateral blurred vision that developed after tonsillitis underwent spectral-domain optical coherence tomography (SD-OCT) that showed photoreceptor outer segment damage. Full-field electroretinography (ERG) and multifocal ERG were nonrecordable. The patient had a remarkable anatomic and functional recovery in response to steroid treatment; however, partial damage remained around the macula on SD-OCT, and an adaptive optics imaging system showed damaged cone photoreceptors. CONCLUSIONS Prednisolone is an effective treatment for a disease that is believed to be due to suspicious involvement of the autoimmune system. Even severe outer retinitis can recover completely with rapid diagnosis and treatment.
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