Gaze and Autonomic Innervation Disorders Eye64 Gaze and Autonomic Innervation Disorders



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Gaze and Autonomic Innervation Disorders Eye64 ()

Gaze and Autonomic Innervation Disorders

Last updated: September 5, 2017


Oculomotor Examination – see p. D1eye >>, p. Eye60 >>

external ophthalmoplegia - dysfunction of extraocular muscles, levator palpebrae muscle.

internal ophthalmoplegia - dysfunction of pupillary sphincter muscle, ciliary muscle.

Pupillary Syndromes

Anisocoria


  1. if anisocoria is < 1 mm and remains the same in both light and dark and if the pupils are round and reactive – physiologic anisocoria.

  2. anisocoria greater in darkHorner syndrome.

  3. anisocoria greater in lightocular parasympathetic disease.

N.B. even if one eye is completely blind, pupil sizes should be equal (unless iris trauma!).

N.B. because both oculosympathetic and oculomotor (parasympathetic) innervation participates in lid elevation, ptosis, if present, generally indicates abnormal eye.






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