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Wednesday, November 15 • 11:40 - 12:00
Sensory Effects of Dichoptic Saccadic Adaptation

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Strabismus is a medical condition in which the eyes are misaligned, resulting in visual suppression and impaired stereoscopic depth perception. In normally-sighted subjects, eye movement (saccade) amplitudes can be manipulated independently in the two eyes using a saccadic adaptation procedure, which may have utility for rehabilitation in patients with strabismus. We evaluated the sensory effects of this procedure in 7 subjects (6 normally sighted, one with strabismus). Eye movements were measured using an eye tracker while saccade amplitudes were either recalibrated inwards for both eyes or in different directions for the two eyes. Sensory effects were then analyzed using a dichoptic Vernier task that measured the perceived alignment of lines shown to different eyes. Subjects' judgments indicated that transient strabismus can be induced in normally sighted individuals and temporary correction can be induced in a strabismic subject.

Wednesday November 15, 2017 11:40 - 12:00
Conception Bay North 180 Portugal Cove Road, St. John's, NL, Canada

Attendees (1)