Skew deviation and retinal photography

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Skew deviation and retinal photography.

A 50-year-old man was admitted for the acute onset of vertical diplopia worse on left gaze. The right eye appeared hypertropic. Either right fourth nerve palsy or skew deviation was possible.1,2 Nonmydriatic retinal photography revealed an excyclotorsion of the hypotropic eye associated with incyclotorsion of the hypertropic eye (figure 1, A and B) providing a key element for skew deviation. In...

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Three dimensions of skew deviation.

S kew means set, placed, or running obliquely; slanting. For a century, skew deviation has been the descriptive term for an acquired vertical deviation that slants the interpupillary axis to an oblique orientation. 3 This condition has traditionally connoted a severe and debilitating neurological injury within the posterior fossa. Subsequent investigation has refined our understanding of this d...

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Different types of skew deviation.

Although all manifest skew deviations appear the same for the clinician, skew deviation can result from different combinations of dysconjugate vertical ocular deviations. Evidence is presented for three different types of skew deviation when it occurs as a feature of an ocular tilt reaction. In type 1 (utricle) there is upward deviation of both eyes with different amplitudes, as described for o...

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The Ocular Tilt Reaction and Skew Deviation

The ocular tilt reaction composes a triad of ipsiiateral head-tilt, ipsilaterai conjugate ocular torsion, and skew deviation with ipsilaterai hypotropia. It results from a disruption of central vestibular pathways conveying information from the semicircular canals and otoliths. Skew deviation is one component of the syndrome which may or may not be associated with the concomitant torsion and he...

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ژورنال

عنوان ژورنال: Neurology

سال: 2011

ISSN: 0028-3878,1526-632X

DOI: 10.1212/wnl.0b013e31823d7698