strabismus(redirected from tropia)
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Related to tropia: phoria
A visual defect in which one eye cannot focus with the other on an object because of imbalance of the eye muscles. Also called squint.
[New Latin, from Greek strabismos, condition of squinting, from strabizein, to squint, from strabos, squinting; see streb(h)- in Indo-European roots.]
stra·bis′mal (-məl), stra·bis′mic (-mĭk) adj.
(Pathology) abnormal alignment of one or both eyes, characterized by a turning inwards or outwards from the nose thus preventing parallel vision: caused by paralysis of an eye muscle, etc. Also called: squint
[C17: via New Latin from Greek strabismos, from strabizein to squint, from strabos cross-eyed]
straˈbismal, straˈbismic, straˈbismical adj
a deviation from normal orientation of one or both eyes so that both cannot be directed at the same object at the same time; squint; crossed eyes.
[1675–85; < New Latin < Greek strabismós=strab(ós) squinting + -ismos -ism]
(squint) Condition in which one eye does not look straight,” but turns in (convergent) or out (divergent). It is caused by a lack of balance between the muscles that control the eyes or a failure of the nervous system to cope with the effects of overfocusing the eyes.
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|Noun||1.||strabismus - abnormal alignment of one or both eyes|
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
convergent strabismus, crossed eye, cross-eye, esotropia - strabismus in which one or both eyes turn inward toward the nose