Age-related changes in human blinks. Passive and active changes in eyelid kinematics.

  title={Age-related changes in human blinks. Passive and active changes in eyelid kinematics.},
  author={W. S. Sun and Robert S. Baker and J C Chuke and B R Rouholiman and Saiyid Akbar Hasan and W C Gaza and M. W. Stava and John David Henley Porter},
  journal={Investigative ophthalmology & visual science},
  volume={38 1},
PURPOSE The authors analyzed eyelid kinematics in normal aging subjects to test the hypothesis that eyelid movements exhibit age-related changes and that blink disorders prevalent among the elderly, in turn, represent an outcome of normal aging processes. METHODS The electromagnetic search coil technique was used to study blinks in normal human subjects for each decade from 40 to 89 years. Blink metrics (amplitude, peak velocity, and duration), main sequence relationships, and conjugacy were… CONTINUE READING
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