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Related Experiment Video

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Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
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Published on: March 13, 2018

The horizontal dark oculomotor rest position.

Eun H Kim1, Tara L Alvarez

  • 1Department of Biomedical Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ, 07102, USA.

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|May 28, 2013
PubMed
Summary
This summary is machine-generated.

Eye dominance influences the oculomotor resting state, predicting the direction of the dark conjugate position. Age also affects this resting state, with presbyopes showing a receded dark disconjugate position.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Vision Science

Background:

  • Investigating the stimulus-free oculomotor resting state.
  • Examining dark disconjugate position, dark conjugate position, and near dissociated phoria.

Purpose of the Study:

  • To determine if eye dominance and age influence the oculomotor resting state.
  • To analyze the relationship between sensory/motor dominance and oculomotor positions.
  • To compare resting states in presbyopes and non-presbyopes.

Main Methods:

  • Video-based infrared eye tracking in darkness.
  • Recording left and right eye positions.
  • Calculating dark disconjugate and dark conjugate responses.

Main Results:

  • High test-retest reliability for all measured oculomotor parameters.
  • Eye dominance predicted the direction of the dark conjugate position in non-presbyopes.
  • Presbyopes exhibited a receded dark disconjugate position compared to non-presbyopes.

Conclusions:

  • Eye dominance is a predictor of the dark conjugate position.
  • Age-related changes (presbyopia) affect the dark disconjugate position.
  • Further research into neural substrates of oculomotor resting state is warranted.