Measurement Of Off-Axis Refractive Error With The Grand Seiko WR-5100K Autorefractor.
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Measurement Of Off-Axis Refractive Error With The Grand Seiko WR-5100K Autorefractor.
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PURPOSE. To investigate ifthe Grand Seiko WR-5100K autorefractor will take measurements at positions of 10°, 20°, and 30° ofhorizontal eccentricity, and if it does, is
measurement error induced. METHODS. A series of distance measurements were taken at varying degrees of off-axis positions to the right and to the left of the line of sight at increments of 10°, 20°, and 30° and compared to the primary gaze baseline measurement. RESULTS. Readings were successfully taken at 10°, 20°, and 30° from primary position, with readings of increased eccentricity showing increased variability. CONCLUSION. Care needs to be taken to assure proper patient alignment so that measurements taken are accurate. |
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http://hdl.handle.net/2323/4052
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Author (aut): Dayringer, Matthew J.
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This paper is submitted in partial fulfillment of the requirements for the degree of Doctor of Optometry. 14 pages.
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English
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bitstream_10181.pdf
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4121526
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