1. Repeatability and Reproducibility of Retinal Thickness Measurements With Spectral-Domain Optical Coherence Tomography Using Different Scan Parameters

    Repeatability and Reproducibility of Retinal Thickness Measurements With Spectral-Domain Optical Coherence Tomography Using Different Scan Parameters

    Purpose: To evaluate repeatability (test-retest) and reproducibility of retinal thickness measurements using spectral-domain optical coherence tomography with different densities of A-scans per B-scan and different frames per B-scan for real-time averaging. Methods: Twelve healthy subjects were analyzed by spectral-domain optical coherence tomography. Raster lines analysis with 19 B-scans over the examined area centered on the macula was performed. Images were acquired both in standard-density (768 A-scans/B-scan) and high-density (1,536 A-scans/B-scan) modalities. Moreover, images were acquired using 2 and 20 frames/B-scan for real-time averaging. Each analysis was repeated twice to test for repeatability. Results: Intersession repeatability was ...

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