Abstract
Lord and Wright, and afterwards Lord1, have published records of involuntary movements made by the eye during fixation, showing excursions as great as twenty minutes of arc, whereas Hartridge and Thomson2 only found movements of about one-tenth of this amount. The former workers had their subject in the prone position and looking upwards, in the interests of head fixation, while the latter had their subject erect and used a technique designed to discount the effects of head movements.
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References
Lord, M. P., and Wright, W. D., Nature, 162, 25 (1948); 163, 803 (1949). Lord, M. P., Proc. Phys. Soc., 61, 489 (1948). Wright, W. D., The Refractionist, 31, 53.
Hartridge, H., Phil. Trans., B, 232, 519 (1947). Hartridge, H., and Thomson, L. C., Brit. J. Ophth., 32, 581 (1948).
Wolff, E., “The Anatomy of the Eye and Orbit”, 3rd edit., p. 219.
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CHARNWOOD Effect of Posture on Involuntary Eye Movements. Nature 166, 348–349 (1950). https://doi.org/10.1038/166348b0
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DOI: https://doi.org/10.1038/166348b0
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