Visual Stimulus and Eye Movement

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00001172
Recruitment Status : Completed
First Posted : November 4, 1999
Last Update Posted : July 2, 2017
Information provided by:
National Institutes of Health Clinical Center (CC)

Brief Summary:

This study is designed to understand how we see visual patterns and how these patterns lead to eye movements.

Normal volunteers participating in this study face a screen on which spots or patterns of light are projected. They are asked to respond to the patterns by voice, eye movements or hand movements. Eye and lid movements are recorded in one of the following ways:

  1. Electro-oculogram < small disc electrodes taped to the skin near each eye measure the eye movements as the eyes change position.
  2. Infrared detector < an infrared beam is reflected off the eye and picked up by detectors that record the eye movements.
  3. Contact lens ring < a smooth plastic ring is placed on the white of the eye surrounding the cornea and eye position is measured using a magnetic coil.

Study sessions last less than four hours.

Condition or disease

Detailed Description:
The purpose of this protocol is to study the physiology of the visuo-motor system in normal humans. This will be accomplished by recording eye movements and other responses (such as reaction time to bar press or verbal responses) to differing stimuli. The stimuli will be primarily visual but may include auditory or tactile stimuli.

Study Type : Observational
Enrollment : 225 participants
Official Title: Visual Motor Coordination in Man
Study Start Date : August 26, 1980
Study Completion Date : August 6, 2008

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 59 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Normal adult volunteers age 18 and over are included.

Only normal volunteers are studied under this protocol. Normal volunteers are recruited from the NIH volunteer office and the NIH web page. Women and minorities are actively recruited.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00001172

United States, Maryland
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
National Eye Institute (NEI)