Results 231 to 240 of about 1,389,827 (273)
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American journal of optometry and physiological optic, 1988
ABSTRACT Patients with vertical heterophoria and a reduced ability to adapt to an induced vertical prism are appropriate patients for a vertical prismatic correction. A clinical method is presented for identifying those patients with a reduced ability to adapt to an induced vertical prism.
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ABSTRACT Patients with vertical heterophoria and a reduced ability to adapt to an induced vertical prism are appropriate patients for a vertical prismatic correction. A clinical method is presented for identifying those patients with a reduced ability to adapt to an induced vertical prism.
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Intermanual Transfer of Prism Adaptation
Journal of Motor Behavior, 2008The authors measured intermanual transfer in participants (N = 48) whose exposed or unexposed right or left hand was tested 1st after participants experienced prismatic displacement. Test order did not affect either participants' performance during prismatic exposure or the usual aftereffects, but transfer occurred only when the authors tested the ...
Gordon M, Redding, Benjamin, Wallace
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Prism adaptation and viewing distance
Ophthalmic and Physiological Optics, 1990Previous studies have shown that subjects with normal binocular vision adapt to prism‐induced phorias. However, there are conflicting reports as to the amount of adaptation shown to horizontal prisms. Some investigations found a greater amount of adaptation to base out prisms compared with base in, whilst others found the reverse and one study found no
R V, North, B, Sethi, K, Owen
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Prism Adaptation Improves Representational Neglect
Neuropsychologia, 2001Previous work has shown that various symptoms of unilateral neglect, including the pathological shift of the subjective midline to the right, may be improved by a short adaptation period to a prismatic shift of the visual field to the right. We report here, in two neglect patients the improvement of imagery neglect after prism exposure.
Yves Rossetti, Gilles Rode, D Boisson
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Interocular Effects in Prism Adaptation
Science, 1969Monocular prism aftereffects were measured in three groups of subjects each of whom had walked about wearing a 20-diopter prism, base up, over the right eye and one of the following over the left eye: a diffusing screen, 0-diopter prism, or a 20-diopter prism, base down.
J E, Foley, K, Miyanshi
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Prism adaptation and brain damage
Neuropsychologia, 1972Abstract Brain damaged (BD), psychiatric (P), and normal (N) groups were compared on adaptability to prism-displaced vision. Although no difference among the groups was found on compensatory pre-post shifts of felt limb position (“proprioceptive shift”), the BD group manifested significantly less shift in target-pointing accuracy (“negative ...
R B, Welch, G, Goldstein
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Cognitive Load and Prism Adaptation
Journal of Motor Behavior, 1992Subjects wore goggles with prisms that laterally displaced the visual field (rightward by 11.4 degree) and with full view of the limb engaged in paced (2-s rate) sagittal pointing at either an implicit ("straight ahead of the nose") target (Experiment 1) or an explicit (positioned leftward by 11.4 degree) target (in Experiment 2).
G. M., Redding +2 more
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VERTICAL PRISM ADAPTATION IN ANISOMETROPES
American journal of optometry and physiological optic, 1974ABSTRACT In an attempt to understand more fully the phenomenon of prism adaptation, anisometropes were examined at the reading level for the presence or absence of compensation to their induced vertical imbalance. It will be shown that the compensation is approximately equal to the prismatic imbalance, and that there also appears to ...
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Predictors of Prism Response During Prism Adaptation
Journal of Pediatric Ophthalmology & Strabismus, 1991ABSTRACT Results of the Prism Adaptation Study (PAS) indicate that prism adaptation improves the success rate of strabismus surgery for patients with acquired esotropia. Patients who show a fusion response to the prisms benefit most from this preoperative treatment.
Michael X Repka, Deborah Wentworth
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Archives of Neurology, 1983
Horizontal prism placement in normal subjects results in an apparent change in phoria by an amount equal in power and opposite in direction to the prisms used. However, the measured phoria gradually returns toward the value preceding the placement of prisms. This is termed phoria adaptation.
D G, Milder, R D, Reinecke
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Horizontal prism placement in normal subjects results in an apparent change in phoria by an amount equal in power and opposite in direction to the prisms used. However, the measured phoria gradually returns toward the value preceding the placement of prisms. This is termed phoria adaptation.
D G, Milder, R D, Reinecke
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