exotropia

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Related to exotropic: esotropic, exotropia

exotropia

 [ek″so-tro´pe-ah]
strabismus in which there is permanent deviation of the visual axis of one eye away from that of the other, resulting in diplopia; called also walleye and divergent strabismus. adj., adj exotro´pic.

ex·o·tro·pi·a

(ek'sō-trō'pē-ă),
That type of strabismus in which the visual axes diverge; may be paralytic or concomitant, monocular or alternating, constant or intermittent.
[exo- + G. tropē, turn]

exotropia

(ĕk′sō-trō′pē-ə)
n.
A form of strabismus in which one or both of the eyes deviate outward. Also called walleye.

ex′o·trop′ic (-trŏp′ĭk, -trō′pĭk) adj.

strabismus

Nonparallel positioning or movement of the eyes—usually of the vertical axis—due to decreased binocular muscle coordination with loss of stereoscopic vision and inability to focus simultaneously on a single point.
 
Aetiology
Extraocular muscle defects, neurotoxins, blindness, mechanical defects, unilateral vision obstruction in childhood, various brain disorders or systemic diseases, amblyopia, paralytic shellfish poisoning, botulism, haemangioma near eye, Guillain-Barré syndrome, Apert syndrome, Noonan syndrome, Prader-Willi syndrome, trisomy 18, congenital rubella, incontinentia pigmenti, cerebral palsy, Laurence-Moon-Biedl syndrome, pseudohyperparathyroidism.

exotropia

Divergent or external strabismus, wall eye Ophthalmology A form of strabismus characterized by a permanent deviation in the visual axis of one eye away from the other, causing double vision or diplopia. See Dipolopia.

ex·o·tro·pi·a

(ek'sō-trō'pē-ă)
That type of strabismus in which the visual axes diverge; may be paralytic or concomitant, monocular or alternating, constant or intermittent.
Synonym(s): divergent strabismus, exodeviation (2) , wall-eye.
[exo- + G. tropē, turn]

exotropia

Divergence of the lines of vision of the two eyes. Divergent squint. In exotropia one eye points at the object of regard, the other is directed outwards. In exotropia acquired in adult life there is usually double vision (diplopia). In childhood, the false image may be suppressed and long-term visual acuity may be affected in one eye. See also ESOTROPIA.
References in periodicals archive ?
(20) found a surgical success rate of approximately 50% in exotropic patients with at least 6 months of follow-up.
However, contrary to the literature, surgical success rate was lower in our exotropic patients.
Assessment of central and peripheral fusion and near and distance stereoacuity in intermittent exotropic patients before and after strabismus surgery.
Profound weakening of the lateral rectus muscle with attachment to lateral canthal tendon for treatment of exotropic Duane syndrome.