Advanced Simulator for Pilot Training: Effects of Collimation on Accommodation and Vergence

Abstract

Accommodation and binocular vergence were measured using a haploscope optometer for 10 observers who viewed collimated (0.15 diopter) and noncollimated presentations of a simulated approach and landing. Collimated imagery produced a small but consistent decrease in accommodation for each observer (M = 12.7 meters). Collimation also produced an increase in the perceived size of objects within the visual scene. These results suggest that the primary influence of collimation is on binocular vergence and that differences in the perceived quality of collimated and noncollimated simulator displays are due to differences in binocular vergence rather than in accommodation. Keywords: Advanced simulator for Pilot Training; Collimated display; Flight simulation; Real image; Virtual image; Visual accommodation; Visual vergence.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1985
Accession Number
ADA159545

Entities

People

  • Herbert H. Bell
  • Kenneth J. Ciuffreda

Organizations

  • Air Force Research Laboratory

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Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Aircrafts
  • Contrast
  • Display Systems
  • Fighter Aircraft
  • Flight Simulations
  • Flight Simulators
  • Flight Training
  • Human Resources
  • Luminance
  • New York
  • Simulations
  • Simulators
  • Training
  • United States
  • Universities

Readers

  • Aviation Science / Aeronautics.
  • Pulsed Power and Plasma Physics.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.