Definition of saccade in English:

saccade

noun

usually saccades
technical
  • A rapid movement of the eye between fixation points.

    • ‘A reader's eye still moves in a series of jumps and stops known as saccades and fixations.’
    • ‘Data were also excluded if the display change did not occur during the saccade to the target word.’
    • ‘The pattern of fixations and saccades during visual exploration of a scene using only the eyes is strikingly similar to the intermittent locomotion of an animal searching for food in a physical landscape.’
    • ‘Further, the saccades - the jumps the eye makes - are stored and perhaps used later for data recall.’
    • ‘An interesting way to observe the effect of drifts, along with associated saccades, on your visual system is to carefully study the type of graphic shown here.’
    • ‘The display change was accomplished in 6.25 ms so that the changes typically occurred during the saccade that crossed the boundary location and participants were not aware of the change when it occurred during the saccade.’
    • ‘He started staring at them really intently, and his eyes were making these little saccades over the patterns, scanning them like crazy.’
    • ‘Also, in a variation of the boundary paradigm used in reading research, they obtained evidence that Chinese readers rely on phonological codes when integrating information across saccades.’

Origin

Early 18th century (in the sense jerking movement): from French, literally violent pull, from Old French saquer to pull.

Pronunciation:

saccade

/saˈkɑːd/