Reproducibility of Quantitative Anterior Chamber Angle Measurements with Scheimpflug Video Imaging

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Abstract
A Scheimpflug video camera with digital image analysis was used to assess iridocorneal angles in 11 eyes with nonoccludable open angles and nine eyes with occludable narrow angles. Normal eyes had a mean angle width of 28.2 +/- 2.5 degrees and eyes with occludable narrow angles had a mean angle width of 17.5 +/- 3.2 degrees . Interobserver variability was 1.98 degrees and 1.94 degrees in open and narrow angles, respectively. Intraobserver variability was 1.81 degrees . This technique provides a method for longitudinal observation and quantitative assessment of the iridocorneal angle.

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