期刊
ARCHIVES OF OPHTHALMOLOGY
卷 124, 期 8, 页码 1111-1117出版社
AMER MEDICAL ASSOC
DOI: 10.1001/archopht.124.8.1111
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Objective: To investigate the ability of optical coherence tomography (OCT) to assess changes in retinal nerve fiber layer (RNFL) thickness in optic disc edema. Methods: Prospective observational case series in a private eye clinic (Centro Salus). Twelve consecutive eyes ( 9 patients) with optic disc edema were analyzed, including 6 patients with anterior ischemic optic neuropathy, 1 patient with multiple sclerosis-associated papillitis, and 2 patients with bilateral papilledema. Peripapillary scans of the RNFL were obtained using Stratus OCT (software version 3.0; Carl Zeiss Meditec, Dublin, Calif). Repeated measurements were performed in 7 patients during a follow-up ranging from 8 to 30 weeks. The main outcome was RNFL thickness measurement. Results: Optical coherence tomography detected and quantified diffuse thickening of the RNFL. Compared with eyes in a control group of 75 healthy subjects, eyes with optic disc edema showed a significant increase in the mean RNFL thickness in all quadrants (temporal, P=.002; superior, P <. 001; nasal, P <.001; and inferior, P <.001). In patients who were followed up, progressive thinning was observed as the disease evolved toward optic atrophy or clinical resolution. Conclusions: Optical coherence tomography can identify and measure RNFL edema. This ability of OCT may help elucidate pathophysiological mechanisms in optic disc edema and provide a valuable aid to clinicians.
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