Precise recording of eye movement: the IRIS technique Part 1

J. P.H. Reulen; J. T. Marcus; D. Koops; F. R. de Vries; G. Tiesinga; K. Boshuizen; J. E. Bos

doi:10.1007/BF02441823

Precise recording of eye movement: the IRIS technique Part 1

J. P.H. Reulen^*, J. T. Marcus, D. Koops, F. R. de Vries, G. Tiesinga, K. Boshuizen, J. E. Bos

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

The paper describes a newly developed method, called IRIS, for the precise measurement of horizontal and vertical eye movements. The method is based on the principle of reflection of infra-red light by the iris/sclera boundary. IRIS combines, when the frequency bandwidth is from DC to 100 Hz, a dynamic measuring range of 30° with a low noise level of 1 min of arc. The installation and application procedure of IRIS, without the need for rigid head fixation, is not complicated and does not require skilled personnel. IRIS allows for simultaneous recordings of the conjugate and disjunctive movements of both eyes, with a linear range up to 25° horizontal and 20° vertical.

Original language	English
Pages (from-to)	20-26
Number of pages	7
Journal	Medical & Biological Engineering & Computing
Volume	26
Issue number	1
DOIs	https://doi.org/10.1007/BF02441823
Publication status	Published - 1 Jan 1988

Keywords

Eye movements
Infra-red light
Light reflex
Pupil
Recording
Reflection

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abstract = "The paper describes a newly developed method, called IRIS, for the precise measurement of horizontal and vertical eye movements. The method is based on the principle of reflection of infra-red light by the iris/sclera boundary. IRIS combines, when the frequency bandwidth is from DC to 100 Hz, a dynamic measuring range of 30° with a low noise level of 1 min of arc. The installation and application procedure of IRIS, without the need for rigid head fixation, is not complicated and does not require skilled personnel. IRIS allows for simultaneous recordings of the conjugate and disjunctive movements of both eyes, with a linear range up to 25° horizontal and 20° vertical.",

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AU - Reulen, J. P.H.

AU - Marcus, J. T.

AU - Koops, D.

AU - de Vries, F. R.

AU - Tiesinga, G.

AU - Boshuizen, K.

AU - Bos, J. E.

PY - 1988/1/1

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KW - Infra-red light

KW - Light reflex

KW - Pupil

KW - Recording

KW - Reflection

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Precise recording of eye movement: the IRIS technique Part 1

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Keywords

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