1. Comparison of lens thickness measurements using the Anterior Segment Optical Coherence Tomography and A-scan ultrasonography

    Purpose: To assess lens thickness (LT) measurements with anterior segment optical coherence tomography (AS-OCT) in comparison with A-scan ultrasonography (A-scan US). Methods: 66 eyes of 48 phakic elderly volunteers aged 50+ years and 56 eyes of 56 young participants aged 18-40 years were enrolled in the study. LT was measured using the internal manual caliper tools in AS-OCT. The A-scan US measurements were based on the average of 10 consecutive automatic measurements. Reproducibility was assessed by 3 times measurements with AS-OCT and A-scan US independently by two observers who were masked to one another's results. Results: The failure rates ...
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