Visual Effects of F-16 Canopy/HUD (Head Up Display) Integration,
AIR FORCE AEROSPACE MEDICAL RESEARCH LAB WRIGHT-PATTERSON AFB OH
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Future fighter aircraft will be fitted with Wide Field of View Head Up Displays WFOV HUDs, and probably, curved windscreens. Initial flight tests with a WFOV LANTIRN HUD in an F-16 fighter resulted in test pilots complaining of several visually related problems. One of the complaints was of double vision -- either two aiming symbols or two targets were seen when the pilot kept both eyes open. Other complaints included those of blurred images and a change in depth perception when looking through the HUD-canopy combination. This paper is a report of some of the work done by the Air Force Aerospace Medical Research Laboratory in an attempt to determine both the source of the problem and possible solutions.