saccade
noun
sac·cade sa-ˈkäd 
: a small rapid jerky movement of the eye especially as it jumps from fixation on one point to another (as in reading)
saccadic
sa-ˈkä-dik
adjective 
Example Sentences
Recent Examples on the Web Binda and Morrone call this time window right before the saccade the confusion period. 
Tim Vernimmen, Smithsonian, 14 June 2019 So how do these brain cells know in advance that a saccade is on the way? Tim Vernimmen, Smithsonian, 14 June 2019 Micah Mazurek The team created three games to enhance a child’s ability to control eye movements, including saccades. Sarah Deweerdt, Science | AAAS, 22 June 2018
Tim Vernimmen, Smithsonian, 14 June 2019 So how do these brain cells know in advance that a saccade is on the way? Tim Vernimmen, Smithsonian, 14 June 2019 Micah Mazurek The team created three games to enhance a child’s ability to control eye movements, including saccades. Sarah Deweerdt, Science | AAAS, 22 June 2018 Word History
Etymology
French, twitch, jerk, from Middle French, from saquer to pull, draw
First Known Use
1938, in the meaning defined above
Medical Definition
saccade
noun
sac·cade sa-ˈkäd
: a small rapid jerky movement of the eye especially as it jumps from fixation on one point to another (as in reading)