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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 4 — Feb. 15, 1985
  • pp: 527–537

Generation-V dual-Purkinje-image eyetracker

Hewitt D. Crane and Carroll M. Steele  »View Author Affiliations


Applied Optics, Vol. 24, Issue 4, pp. 527-537 (1985)
http://dx.doi.org/10.1364/AO.24.000527


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Abstract

Major advances characterize the Generation-V dual-Purkinje-image (DPI) eyetracker compared with the Generation-III version previously described. These advances include a large reduction in size, major improvements in frequency response and noise level, automatic alignment to a subject, and automatic adjustment for different separation between the visual and optic axes, which can vary considerably from subject to subject. In a number of applications described in the paper, the eyetracker is coupled with other highly specialized optical devices. These applications include accurately stabilizing an image on a subject's retina; accurately simulating a visually dead retinal region (i.e., a scotoma) of arbitrary shape, size, and position; and, for clinical purposes, stabilizing the position of a laser coagulator beam on a patient's retina so that the point of contact is unaffected by the patient's own eye movements.

© 1985 Optical Society of America

History
Original Manuscript: September 10, 1984
Published: February 15, 1985

Citation
Hewitt D. Crane and Carroll M. Steele, "Generation-V dual-Purkinje-image eyetracker," Appl. Opt. 24, 527-537 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-4-527

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