cyclophoria

[si″klo-for´e-ah] heterophoria in which there is deviation of the visual axis of one eye from the anteroposterior axis in the absence of visual fusional stimuli.

cy·clo·pho·ri·a

(sī'klō-fō'rē-ă), Abnormal tendency for each eye to rotate around its anteroposterior axis, the rotation being prevented by visual fusional impulses. [cyclo- + G. phora, movement]

cy·clo·pho·ri·a

(sī'klō-fōr'ē-ă) Abnormal tendency for each eye to rotate around its anteroposterior axis, the rotation being prevented by visual fusional impulses. [cyclo- + G. phora, movement]

cyclophoria

When binocular vision is dissociated (i.e. when stimuli to fusion are eliminated) one eye or both rotate about its/their respective anteroposterior axes to take up the passive position. If the upper portion of the eye rotates inward, it is called incyclophoria and if it rotates outward, it is called excyclophoria. It is usually caused by an anomaly of the oblique muscles. Cyclophoria is commonly associated with hyperphoria. There are various methods which can be used to detect cyclophoria: the Maddox rod test; the double prism test; the synoptophore with appropriate slides; the fixation disparity unit; Fresnel's bi-prism. Syn. periphoria. See cyclotropia; double prism test; Maddox rod test.

单词	cyclophoria
释义	cyclophoria Translations EncyclopediaSeedeclination cyclophoria cyclophoria [si″klo-for´e-ah] heterophoria in which there is deviation of the visual axis of one eye from the anteroposterior axis in the absence of visual fusional stimuli. cy·clo·pho·ri·a (sī'klō-fō'rē-ă), Abnormal tendency for each eye to rotate around its anteroposterior axis, the rotation being prevented by visual fusional impulses. [cyclo- + G. phora, movement] cy·clo·pho·ri·a (sī'klō-fōr'ē-ă) Abnormal tendency for each eye to rotate around its anteroposterior axis, the rotation being prevented by visual fusional impulses. [cyclo- + G. phora, movement] cyclophoria When binocular vision is dissociated (i.e. when stimuli to fusion are eliminated) one eye or both rotate about its/their respective anteroposterior axes to take up the passive position. If the upper portion of the eye rotates inward, it is called incyclophoria and if it rotates outward, it is called excyclophoria. It is usually caused by an anomaly of the oblique muscles. Cyclophoria is commonly associated with hyperphoria. There are various methods which can be used to detect cyclophoria: the Maddox rod test; the double prism test; the synoptophore with appropriate slides; the fixation disparity unit; Fresnel's bi-prism. Syn. periphoria. See cyclotropia; double prism test; Maddox rod test.
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