Also, a text file of eye gaze can be opened and used with the playback function. This can be done with or without the mouse cursor following the user's gaze. Triggering the start and stop times of the data acquisition. Temporal Resolution Adjustable, up to 30 samples per second. Physical Configuration Video camera and lights mount on the front of a computer monitor.
Nothing is attached to the user.
Allowable Head Movement Small movements allowed. The user's eye must be kept in the camera's field of view which is about 4 by 4 cm. A folding chair with adjustable headrest is provided to aid users in maintaining proper head position. Infrared Illumination Illumination provided by LEDs with output at 880 nm. Irradiance at the user's eye under normal operating conditions is less than 0.5 mw per square cm.