Test-retest reliability of clinical Shack-Hartmann measurements.

  title={Test-retest reliability of clinical Shack-Hartmann measurements.},
  author={Xu Cheng and Nikole L Himebaugh and Pete S Kollbaum and Larry N. Thibos and Arthur Bradley},
  journal={Investigative ophthalmology & visual science},
  volume={45 1},
PURPOSE To evaluate the stability of clinical monochromatic aberrometry measurements over a wide range of time scales. METHODS Monochromatic aberrations in four normal eyes were measured with a clinical Shack-Hartmann aberrometer. A chin rest or a supplemental bite bar attachment was used to stabilize head and eye position. Five repeated measurements were taken within one test (5 frames, t < 1 second) without realignment. With realignment between each measurement, aberration measurements were… CONTINUE READING

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