Blink frequency and duration during perimetry and their relationship to test-retest threshold variability.

@article{Wang2011BlinkFA,
  title={Blink frequency and duration during perimetry and their relationship to test-retest threshold variability.},
  author={Yanfang Wang and Sonia S. Toor and Ramesh Kumar Gautam and D. B. Henson},
  journal={Investigative ophthalmology & visual science},
  year={2011},
  volume={52 7},
  pages={4546-50}
}
PURPOSE To describe different patterns of blinking in patients undergoing a visual field test and to establish whether the blink parameters are related to threshold variability. METHODS Thirty-nine patients with diagnosed or suspected glaucoma were recruited to undertake a perimetric task twice. Blinks were detected with a video eye-tracker system that records at a sampling rate of 60 Hz. Blink frequency, duration, and episodes of microsleep (eye closures >500 ms) were analyzed, and… CONTINUE READING
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