Abstract:
:The purpose of this study was to investigate electrooculography (EOG) as a measurement of ocular vergence in both collimated and projected simulator environments. The task required participants to shift their gaze between a central fixation point and a target appearing at one of three eccentricities. EOG was effective in recording ocular vergence. The EOG results were similar between collimated and projected displays, except for differences in vergence changes during lateral movement of the eyes, and ocular excursions downward elicited a greater EOG response than the reverse upward movement. The computer-based technique of recording vergence was found to produce measurable traces from a majority of participants. The technique has potential for further development as a tool for measuring ocular vergence in virtual environments where methods that require the wearing of head-mounted apparatus to track ocular structures (e.g., the pupil), which cannot be worn at the same time as a flight or flight-simulator helmet, are unsuitable.
journal_name
Hum Factorsjournal_title
Human factorsauthors
Morahan P,Meehan JW,Patterson J,Hughes PKdoi
10.1518/001872098779591359subject
Has Abstractpub_date
1998-09-01 00:00:00pages
376-85issue
3eissn
0018-7208issn
1547-8181journal_volume
40pub_type
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