Download Advances in Understanding Mechanisms and Treatment of by R. John Leigh, Michael W. Devereaux PDF

By R. John Leigh, Michael W. Devereaux

ISBN-10: 0195342186

ISBN-13: 9780195342185

This quantity brings jointly paintings from best researchers within the fields of developmental issues of binocular imaginative and prescient, strabismus, and either childish and bought kinds of nystagmus. It includes 4 sections. the 1st part, uncomplicated innovations of sturdy imaginative and prescient and Gaze, bargains with psychophysical points of childish sorts of nystagmus and the relative contributions of extraocular proprioception and efference (corollary discharge). It additionally includes an available evaluate of present notions of spatial and temporal visible capabilities and spatial fidelity in childish nystagmus syndrome and latent nystagmus. the second one part, New versions and methods for learning Gaze balance, stories animal and improvement types for strabismus, amblyopia, and nystagmus. It additionally comprises novel optical equipment for handling the visible results of nystagmus and a research of the aptitude ailing results of video screens on kid's reaction to close viewing. The 3rd part, New cures for Congenital Nystagmus, offers uncomplicated genetic reports and medical trials of drug and surgical procedure of these sufferers with childish kinds of nystagmus. the ultimate section,General features of ordinary and irregular Gaze keep an eye on, pulls jointly a number of contributions facing basic gaze regulate, childish nystagmus, and purchased issues of eye events, together with new remedy measures. This publication could be a beneficial source for all scientists and practitioners attracted to developmental issues of imaginative and prescient.

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Extra info for Advances in Understanding Mechanisms and Treatment of Infantile Forms of Nystagmus

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1998;19:171–183. 66. Grunbauer WM, Dieterich M, Brandt T. Bilateral vestibular failure impairs visual motion perception even with the head still. Neuroreport. 1998;9:1807–1810. 67. Shallo-Hoffmann J, Bronstein AM. Motion detection in patients with absent vestibular function. Vision Res. 2003;43:1589–1594. 68. Acheson JF, Cassidy L, Grunfeld EA, ShalloHoffmann JA, Bronstein AM. Elevated visual motion detection thresholds in adults with acquired ophthalmoplegia. Br J Ophthalmol. 2001;85:1447–1449.

Error bars are standard errors. IN, infantile nystagmus. same as that produced by a target that moves physically during stable fixation. Our explanation for this asymmetrical reduction of perceived motion smear is as follows. The visual system interprets the presence of “opposite” target motion during an eye movement as consistent in direction with an object that is stationary in the world. Presumably, the visual system prefers that stationary objects do not appear smeared. On the other hand, a target that moves in the “same” direction as an ongoing eye movement can be assumed to be moving physically in the world.

Motor and sensory characteristics of infantile nystagmus. Br J Ophthalmol. 2002;86:1152–1160. Pola J, Wyatt HJ. The perception of target motion during smooth pursuit eye movements in the open-loop condition: characteristics of retinal and extraretinal signals. Vision Res. 1989;29: 471–483. Nagel M, Bridgeman B, Stark L. Voluntary nystagmus, saccadic suppression, and stabilization of the visual world. Vision Res. 1980;20:717–721. Enright JT. Voluntary oscillopsia: watching the world go round. Behav Brain Sci.

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