acute zonal occult outer retinopathy acute zonal occult outer retinopathy acute zonal occult outer retinopathy (azoor) is an inflammatory retinopathy in the category of white dot syndromes typified by acute loss of one or more zones of outer retinal function associated with photopsia, minimal funduscopic changes and abnormal electroretinography findings. acute zonal occult outer retinopathyother namesazoorpronunciationah-cewt zoh-nahl ock-cohlt ow-tehr reh-tin-ah-puh-thee specialtyophthalmology this retinal disease was first described by donald gass in 1992. relatively little is known about the condition. risk factors caucasian females in their mid-thirties appear to be most susceptible but the disease may affect anyone regardless of age, sex or race. pathophysiology the disease mechanism is unknown but it is believed that it may be caused by a virus, or an auto immune response.