A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "saccade" in a sentence
"That can be attributed to something called a saccade—a fast movement of the eye that lasts between 20 and 200 milliseconds."
"The brain sends instructions to the eyes, the eyes respond with movement (called a saccade)."
"Nishigaki and Arai have turned to blind spot position and the so-called saccade response for their biometric."