By American Academy of Ophthalmology, Rod Foroozan MD
Presents a symptom-driven method of the prognosis and remedy of significant neuro-ophthalmic stipulations. With the point of interest at the sufferer, this ebook emphasizes exam and applicable adjunctive experiences, together with a dialogue of diagnostic imaging modalities, and leads the reader in the course of the occasionally refined manifestations of neuro-ophthalmic illness to anatomical localization of lesions and definitive prognosis. an summary of the anatomy of visible pathways is observed by way of many illustrations.
Upon finishing touch of part five, readers can be capable to:
- Describe a symptom-driven method of sufferers with universal neuro-ophthalmic court cases with a purpose to formulate a suitable differential diagnosis
- decide upon the main applicable checks and imaging, in response to symptomatology, to diagnose and deal with neuro-ophthalmic issues in a cheap manner
- examine eye stream issues and the ocular motor procedure
Read Online or Download 2014-2015 Basic and Clinical Science Course (BCSC): Section 5: Neuro-Ophthalmology PDF
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Additional resources for 2014-2015 Basic and Clinical Science Course (BCSC): Section 5: Neuro-Ophthalmology
The ICA gives off the anterior cerebral artery (ACA) and terminates as branches of the middle cerebral artery (MCA). The proximal ACA (Al segment) crosses over the optic nerve and joins the opposite ACA via the anterior communicating artery (ACoA). The combination of the ACoA and PCoA makes up the circle of Willis, which permits collateral flow between the carotid and vertebrobasilar systems when there is vascular compromise. Small perforating branches arising from the proximal ACA, as well as the ACoA, supply the intracranial optic nerves and chiasm.
The frontal artery runs within the superior orbit, paralleling the frontal branch of V1 to branch and terminate as the supraorbital and supratrochlear arteries, which, along with the LA, supply the eyelid. The next branches leaving the OphA are the superior and inferior muscular arteries. They supply the anterior ciliary arteries of the medial and inferior rectus (inferior muscular artery) and the superior rectus and superior oblique (superior muscular branch) muscles. The A B Figure 1-8 Branches of the internal carotid artery (ICA).
The sensory signal (input from the visual cortex and retina) is processed mainly by the superficial SC. The motor signal originates within the deeper layers ( the stratum griseum profund um and stratum album profundum) that receive position information from the more superficial layers. The SC projects contralaterally to multiple locations throughout the brainstem, most particularly to the RIP, NRTP, and DLPN. Both the parietal and frontal lobe supranuclear pathways travel mainly to the SC; few fibers connect directly to brainstem premotor neurons.
2014-2015 Basic and Clinical Science Course (BCSC): Section 5: Neuro-Ophthalmology by American Academy of Ophthalmology, Rod Foroozan MD