Apparatus for analyzing depth perception

Details Apparatus for analyzing depth perception Apparatus for analyzing depth perception

1993-03-11

1994-10-18

Bertsch, Richard A.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351201, 351210, 351211, A61B 314

Patent

active

053572939

ABSTRACT:
An image at a distant point and an image at a close point for generating depth perception of a subject are displayed on an image display monitor, and eye movement of the subject at that time is detected by an eye movement detecting portion. A calculating portion removes saccade component by using velocity or acceleration of the detected eye movement and calculates amplitude of vergence eye movement, change in convergence angle and cross-correlation of velocity or acceleration of the left and right eye movement to determine depth perception of the subject.

REFERENCES:
patent: 2168308 (1939-08-01), Ames, Jr.
patent: 2340856 (1944-02-01), Ames, Jr.
patent: 3984156 (1976-10-01), Jernigan
patent: 4613219 (1986-09-01), Vogel
patent: 4729652 (1988-03-01), Effert
patent: 4838681 (1989-06-01), Pavlidis
patent: 5212506 (1993-05-01), Yoshimatsu et al.
"Depth Perception with Random-dot Stereograms Under Dihcopotic-Sequential Presentation", by Takao Sato, Transactions of Institute of Electronics Information and Communication Engineers of Japan, MBE 88-188, pp. 193-198, Mar. 15, 1989.

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