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Acute zonal occult outer retinopathy (AZOOR) is a condition of unknown aetiology that typically manifests with asymmetrical visual field loss, persistent photopsia, acuity reduction and, despite focal symptomatology, often with widespread photoreceptor dysfunction on the electroretinogram (ERG).1 AZOOR may appear in the context of a prior ‘white dot’ syndrome, such as multiple evanescent white dot syndrome (MEWDS), and has been associated with autoimmune inflammatory diseases for which HLA associations are described, for example, multiple sclerosis.2 Other conditions considered part of the “AZOOR complex” have overlapping features and aetiology. Pars planitis is typically idiopathic, affects young adults and is characterised by vitritis and pars plana exudate. The commonest systemic association with pars planitis is multiple sclerosis.
We describe a 33-year-old white woman with pars planitis who presented to our clinic with an 8-month history of …