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 best researchers within the fields of developmental issues of binocular imaginative and prescient, strabismus, and either childish and purchased different types of nystagmus. It comprises 4 sections. the 1st part, uncomplicated innovations of solid imaginative and prescient and Gaze, offers with psychophysical points of childish varieties of nystagmus and the relative contributions of extraocular proprioception and efference (corollary discharge). It additionally comprises an obtainable evaluate of present notions of spatial and temporal visible services and spatial fidelity in childish nystagmus syndrome and latent nystagmus. the second one part, New versions and methods for learning Gaze balance, reports animal and improvement types for strabismus, amblyopia, and nystagmus. It additionally comprises novel optical equipment for coping with the visible results of nystagmus and a research of the capability unwell results of video monitors on kid's reaction to close viewing. The 3rd part, New remedies for Congenital Nystagmus, provides simple genetic reviews and scientific trials of drug and surgical procedure of these sufferers with childish sorts of nystagmus. the ultimate section,General points of standard and irregular Gaze regulate, pulls jointly more than a few contributions facing general gaze regulate, childish nystagmus, and bought problems of eye events, together with new remedy measures. This publication might be a necessary source for all scientists and practitioners attracted to developmental issues of imaginative and prescient.

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2007;47:393–401. Ukwade MT, Bedell HE, White JM. Orientation discrimination and variability of torsional eye 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. position in congenital nystagmus. Vision Res. 2002;42:2395–2407. Nakayama K, Balliet R. Listing’s law, eye position sense, and the perception of the vertical. Vision Res. 1977;17:453–457. Haustein W, Mittelstädt H. Evaluation of retinal orientation and gaze direction in the perception of the vertical. Vision Res. 1990;30:255–262.

That is, they are not usually aware of any oscillopsia and report a state of perceptual stability or spatial constancy. Nonetheless, there are occasions when perceptual stability can break down, and these events can provide clues about the underlying mechanisms responsible for spatial constancy. CN observers may experience oscillopsia when a single target is viewed against a background that has no visible structure, such as when viewing a small light in an otherwise dark room. Oscillopsia has also been reported when the CN intensity increases significantly beyond its steady-state level, such as when the subject is tired or under stress or experiencing a periodic alternating nystagmus.

2007;69:48–55. 55. Edwards M, Crane MF. Motion streaks improve motion detection. Vision Res. 2007;47:828–833. 56. Ganz L. Temporal factors in vision. In: Carterette EC, Friedman MP, eds. Seeing. New York: Academic Press; 1975. 57. Reppas JB, Usrey WM, Reid RC. Saccadic eye movements modulate visual responses in the lateral geniculate nucleus. Neuron. 2002;35:961–974. 58. Burr DC, Morrone MC. Temporal impulse response functions for luminance and colour during saccades. Vision Res. 1996;36:2069–2078.

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