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

By R. John Leigh, Michael W. Devereaux

This quantity brings jointly paintings from major researchers within the fields of developmental problems of binocular imaginative and prescient, strabismus, and either childish and bought kinds of nystagmus. It includes 4 sections. the 1st part, uncomplicated ideas of strong imaginative and prescient and Gaze, offers with psychophysical facets of childish varieties of nystagmus and the relative contributions of extraocular proprioception and efference (corollary discharge). It additionally includes an obtainable evaluation of present notions of spatial and temporal visible features and spatial fidelity in childish nystagmus syndrome and latent nystagmus. the second one part, New versions and strategies for learning Gaze balance, studies animal and improvement types for strabismus, amblyopia, and nystagmus. It additionally includes novel optical tools for dealing with the visible effects of nystagmus and a research of the capability ailing results of video screens on kid's reaction to close viewing. The 3rd part, New remedies for Congenital Nystagmus, offers easy genetic reviews and medical trials of drug and surgical procedure of these sufferers with childish varieties of nystagmus. the ultimate section,General features of standard and irregular Gaze regulate, pulls jointly more than a few contributions facing common gaze regulate, childish nystagmus, and purchased issues of eye activities, together with new remedy measures. This booklet may be a precious source for all scientists and practitioners drawn to developmental problems of imaginative and prescient.

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

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Oscillopsia and tolerance to retinal image motion in congenital nystagmus. Invest Ophthalmol Visual Sci. 1999;40:339–345. Averbuch-Heller L, Dell’Osso LF, Leigh RJ, Jacobs JB, Stahl JS. The torsional component of “horizontal” congenital nystagmus. J Neuroophthalmol. 2002;22:22–32. Dell’Osso LF, Jacobs JB, Serra A. The sub-clinical see-saw nystagmus embedded in infantile nystagmus. Vision Res. 2007;47:393–401. Ukwade MT, Bedell HE, White JM. Orientation discrimination and variability of torsional eye 21.

74. Hertle RW, Dell’Osso LF, FitzGibbon EJ, Yang D, Mellow SD. Horizontal rectus muscle tenotomy in children with infantile nystagmus syndrome: a pilot study. J AAPOS. 2004;8:539–548. 75. Wang Z, Dell’Osso LF, Jacobs JB, Burnstine RA, Tomsak RL. Effects of tenotomy on patients with infantile nystagmus syndrome: foveation improvement over a broadened visual field. J AAPOS. 2006;10:552–560. 76. Bedell HE, Chung STL, LaFrance MW. The influence of motion smear on visual acuity in simulated congenital nystagmus.

As in type 1 MLN, subjects with type 2 and type 3 MLN always display conjugate horizontal jerk MLN oscillations during monocular viewing. Patients with type 4 MLN exhibit decelerating or linear slow-phase jerk MLN waveforms during both binocular and monocular viewing. 31,34 Extensions of the slow phase have been reported after prolonged monocular occlusion and during periods of low attention. , darkness or stabilizing the retinal image) resulted in the oscillation changing from an MLN to CN. The MLN slow phase also changed to a grossly extended slow phase during periods of visual disengagement.

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