Abstract
By using a newly devised three-dimensional position measurement system, head movements of a normal subject and a patient with congenital strabismus were studied. This system consists of both infrared light-emitting diodes and position-sensitive diodes, which lead to high accuracy and high-frequency response with a position accuracy within 1 mm and angular accuracy within 1°. The electro-oculograph was used for measuring ocular movements. The power spectra of head and eye movements showed a similar frequency component and a similar frequency response with respect to the signal inputs of head movements, so there is a close correlation between the two movements.
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Dedicated to Dr. G.K. von Noorden on the occasion of his 60th birthday
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Watanabe, Y., Ohtsuki, H., Okayama, H. et al. Dynamic analysis of head movements by means of a three-dimensional position measurement system. Graefe's Arch Clin Exp Ophthalmol 226, 418–424 (1988). https://doi.org/10.1007/BF02170000
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DOI: https://doi.org/10.1007/BF02170000