Fig. 1From: The effect of oral acetazolamide on cystoid macular edema in hydroxychloroquine retinopathy: a case reportDiagnosis of hydroxychloroquine retinopathy based on visual field examination, optical coherence tomography, and fundus autofluorescence. a Humphrey 30-2 visual field test shows dense paracentral ring scotoma with decreased foveal sensitivity in both eyes. b Spectral-domain optical coherence tomography (SD-OCT) demonstrates defects in the paracentral photoreceptor layer. c Fundus autofluorescence reveals decreased paracentral and mid-peripheral fluorescence in both eyesBack to article page