Topics of Research:

Co-contraction of extraocular muscles in pure version-vergence circumstances (devoid of accommodative vergence).

Electromyographic recruitment of ocular muscle as an effect of muscle slack (in addition to the well-known role in causations).

Examination of Bender's "exaggerated dominances" in asymmetries of vision and hearing.

Statement:

A large database of humans with strabismus is being reviewed to correlate EMG, EOG, and imaging (video and photography) for the goal of clarifying the above topics.

Bender's principle of exaggerated asymmetries as a result of simultaneous hemifield, and binocular stimuli, is being investigated in normal humans relative to upper vs. lower retinal differences, as well as in patients with low vision.

Psychophysical and electrophysiological (auditory evoked potentials) used to examine the role of Bender's principles in hearing impaired.

Key Personnel:

John Brabyn, PhD, Brian Brown, PhD, Brent Edwards, PhD, Gunilla Haegerstrom-Portnoy, OD, PhD, Lori Lott, PhD, Marilyn Schneck, PhD, Helen Simon, PhD.

Featured Research: Beneficial Effects of Alternate Occlusion on Binocular Motion Processing in Infantile Esotropia.

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