Journal
KLINISCHE MONATSBLATTER FUR AUGENHEILKUNDE
Volume 232, Issue 4, Pages 455-458Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0035-1545797
Keywords
microcystic macular edema; optic neuropathy; trans-synaptic retrograde degeneration; Muller cells; OCT
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Background: Microcystic macular edema can occur after optic neuropathies of various etiologies, and is easily demonstrated by OCT. We report a cohort of patients with microcystic macular edema. Patients and Methods: All patients with optic neuropathy and microcystic macular edema were enrolled. Demographics, visual function, retinal angiographies and OCT parameters were studied. Results: Nineteen patients (23 eyes) exhibited microcystic macular edema: 10 men/9 women, aged 17-91 years. Etiologies of optic nerve atrophy were compressive (5), inflammatory (4), glaucoma (3), ischemic (3), trauma (2), degenerative (1), and hereditary (1). Median visual acuity was 4/10 (NLP-12/10). Fluorescein angiography showed no leakage. Topography of the microcystic macular edema correlated with near infrared images but with visual field defects in only 26%. OCT parameters were all abnormal. Conclusions: Microcystic macular edema is a non-specific manifestation from an optic neuropathy of any etiology. The precise mechanism leading to microcystic macular edema remains unknown but trans-synaptic retrograde degeneration with Muller cells dysfunction is likely.
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