By American Academy of Ophthalmology, Rod Foroozan MD

Offers a symptom-driven method of the prognosis and therapy of significant neuro-ophthalmic stipulations. With the focal point at the sufferer, this publication emphasizes exam and applicable adjunctive reports, together with a dialogue of diagnostic imaging modalities, and leads the reader in the course of the occasionally refined manifestations of neuro-ophthalmic ailment to anatomical localization of lesions and definitive prognosis. an summary of the anatomy of visible pathways is followed via many illustrations.

Upon final touch of part five, readers could be capable to:

- Describe a symptom-driven method of sufferers with universal neuro-ophthalmic proceedings as a way to formulate a suitable differential diagnosis

- decide on the main acceptable checks and imaging, in keeping with symptomatology, to diagnose and deal with neuro-ophthalmic issues in a cheap manner

- determine eye move problems and the ocular motor process

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Read or Download 2014-2015 Basic and Clinical Science Course (BCSC): Section 5: Neuro-Ophthalmology PDF

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Extra resources for 2014-2015 Basic and Clinical Science Course (BCSC): Section 5: Neuro-Ophthalmology

Sample text

Distally, the PICA supplies the inferior cerebellum, which is intimately involved in eye movements. VA or PICA ocdusion ~s ·associ ated with Wallenberg lateral medullary syndrome (see Chapter 2, Fig 2-6). T he second circumferential arteries are from the anterior inferior cerebellar artery (AICA). The AICA arises from the caudal BA ru1d upplies the pontomedullary junction and distal cerebellum. A large proximal branch of the AICA, the internal auditory artery, supplies the CN VIII complex in the subarachnoid space and follows it into the internal auditory canal.

Lack of blood supply can thus cause problems with ipsilateral pursuit or asymmetry in optokinetic nystagmus (OKN) as the drum is rotated toward the side of the infarct. Blood supply to the posterior aspect of the intracranial contents begins with the aortic arch. The right VA arises from the innominate artery, and the left VA begins as a branch off the proximal subclavian artery. The VA travels through a series of foramina in the lateral aspects of the cervical vertebral processes. After penetrating the dura at the foramen magnum, the VA gives rise to the posterior inferior cerebellar artery (PICA) before joining the other VA to form the BA (Fig 1-12).

Modified from Leigh RJ, Zee OS. The Neurology of Eye Movements. 4 th ed. ) CHAPTER 1: 1e in ). :d ll i- Neuro-Ophthalmic Anatomy • 39 . an d CN IV nuclei through the PC. Activity from the vertical gaze center is distributed •to the CN III and CN IV nuclei. Inform_ation involved in upgaze crosses in the PC. rl midbrain syndrome, a disorder that includes vertical gaze difficulty (most commonly, impaired supraduction), skew deviation, light-near pupillary dissociation, eyelid retraction, and convergence-retraction nystagmus (see Chapter 9).

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