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1 Figure 24: Typical Visual Field Defects Associated with Discrete Lesions Along the Visual PathwaysSpecific monocular or binocular visual field defects can be highly localizing when the neuroanatomy of the visual pathways is understood. The temporal visual field corresponds to the nasal retina, while the nasal visual field corresponds to the temporal retina. 1) Left optic nerve lesion - while an ...Image
2 Figure 17: Bony Structures Relevant to the OrbitThe frontal, sphenoid, maxillary, ethmoid, and lacrimal bones make up the orbit. Structures passing through the optic canal include the optic nerve, oculosympathetic tract and ophthalmic artery. Structures passing through the superior orbital fissure include the superior ophthalmic vein, cranial ner...Image
3 Test Your Knowledge - Optokinetic Nystagmus with a Parietal Lesion𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Given the finding seen in the first part of the video, which of the following associated features are most likely? (more than one answer may be correct) A. Left homonymous visual field defect B. Right homonymous visual fi...Image/MovingImage
4 Test Your Knowledge - Parinaud's Syndrome in NeurosarcoidosisWatch the first segment of the video up to "Stop! What would you expect with vertical gaze?" and select the best response below. The patient also has mild right-beating nystagmus which can be ignored for the purposes of this question. A. The patient has pupillary findings consistent with bilateral 3...Image/MovingImage
5 Ocular Motor Signs in Brainstem Demyelinating Disease - Spontaneous Upbeat, Vertical Gaze-Evoked Nystagmus, Slow Saccades, Bilateral Vestibular Loss, INOs𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 25-year-old woman who presented with painful vision loss bilaterally two years prior to this video recording, which was diagnosed as optic neuritis. Months later, she experienced oscillopsia and binocular horizo...Image/MovingImage
6 Expanded Nystagmus & Saccadic Intrusions/Oscillations DifferentialExpanded nystagmus & saccadic intrusions/ oscillations differentialText
7 Approach to the Ocular Motor and Vestibular History and ExaminationHistory and examination of ocular motor and vestibular.Text
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