Magnitude of visual accommodation to a head-up display
Edward F. Leitner, Richard F. Haines, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Ames Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1981 - Technology & Engineering - 9 pages
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35-mm slide Additionally age groups Ames Research Center analysis of variance anomalous myopias becoming myopic blurring collimating lens color slide combiner glass comparisons revealed complete darkness dark focus distance dark response depth of focus different from infinity diop empty-field myopia eyetracker focusing problems Head-Up Display HUD HUD imagery HUD response HUD symbology HUD-with-background response HUD's image sharpness infinity response Jose University Foundation landing site background Leibowitz and Owens lighting conditions look straight ahead Magnitude of accommodation MAGNITUDE OF VISUAL maintain visual focus Mandelbaum effect mean age Moffett Field NASA older group older pilots optical distance optical infinity optometer Performing Organization planned comparisons prevent the accommodation Randle reference eye position response from becoming response was significantly Richard F runway significantly different i.e. Simonelli speed of accommodation Standard deviation static symbology stimulus to accommodation stimulus to prevent subjects sufficiently strong stimulus type of stimulus VISUAL ACCOMMODATION Visual Acuity younger group younger pilots