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 (să-käd′, sə-)
A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.

[French, jerk, jolt, from Middle French, from Old French dialectal saquer, to jerk, pull, variant of Old French sachier, to pull forcefully, turn over, shake up, from sac, sack (perhaps in reference to the shaking of bags of wheat to settle their contents); see sac1.]

sac·cad′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(səˈkɑːdɪk; səˈkeɪdɪk)
relating to or resembling saccades
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.saccadic - of or related to the rapid movement of the eyes between points of fixation
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
He had hypometric rapid eye saccadestothe left with fatigue after 3 saccadic eye movements; hyperactive bowel sounds in the LLQand LUQ, hypoactive bowel sounds in the RUQ; tenderness to palpation in the LLQ and McBurney's point, along with a tight diaphragm on palpation.
Children with CVI may present with normal to severely reduced visual acuity and contrast sensitivity, and with normal or poorly controlled smooth and saccadic eye movements.
The test protocol included saccadic, tracking and optokinetic eye movement evaluations, and recordings of gaze and spontaneous nystagmus, as well as head-shaking nystagmus, bithermal caloric, and positional tests.
The saccadic pathway involves several regions of the cerebral cortex, cerebellum, and brain stem.
When these two systems don't work on focusing on the target, sudden saccadic eye movements ensure that the eyes position towards the target.
It records a microhistory of a few seconds' movement of the painter's hand, a chronicle that can be reenacted through the focal point of the viewer's gaze, with its abrupt turns and saccadic wriggles.
Four patients had nystagmus with abnormal smooth pursuit and saccadic overshoot.