Repeatability of Spectralis OCT measurements of macular thickness and volume in diabetic macular edema
Purpose. We estimated coefficients of repeatability for Spectralis optical coherence tomography ( OCT )–derived automated retinal thickness and volume measurements in subjects with center- involving diabetic macular edema (DME). Methods. A total of 50 eyes of 50 consecutive patients with center-involving DME underwent four consecutive “fast” volume scans at a single session using one OCT device operated by one of two experienced operators. Bl and -Altman coefficients of repeatability (CR) were calculated for automated reinal thickness measurements in the nine Early Treatment of Diabetic Retinopathy Study (ETDRS) subfields, center point thickness , and total macular volume . Scans were evaluated for significant automated ...
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