lastlefttpupilwidth property

The most recent width of the participant's left pupil as reported by the eye tracker.

Applies to



This property allows a script to read the last recorded pupil height for purposes of recording data, reporting feedback to participants, or directing the flow of a task or visual display.


The following displays the value of lastlefttpupilwidth in a text stimulus:

<text sometext>
/ items= ("height = <% eyetracker.lastlefttpupilwidth %>")

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