An accurate and linear infrared oculometer - PubMed (original) (raw)
An accurate and linear infrared oculometer
M Bach et al. J Neurosci Methods. 1983 Sep.
Abstract
A method for measuring horizontal and vertical eye movements is described. The oculometer utilize infrared light and resolves 0.1 degree over a linear range of +/- 20 degrees. The simultaneous observation of the fixation target and eye position with an infrared mirror and two television cameras on a single monitor makes the mechanical and electrical calibration very easy. The system has been used successfully in animal studies of vision and eye movements, in particular during recording of single cells in visual brain structures of behaving monkeys.
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