The optic nerve
Normal measurements of the optic nerve, optic nerve sheath and optic chiasm in the adult population
... the optic nerve (ON) and optic nerve sheath ...hypoplasia, optic atrophy, optic neuritis, perineuritis, glaucoma, ON glioma, optic sheath meningioma and intracranial ...
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High-Resolution Imaging of the Optic Nerve and Retina in Optic Nerve Hypoplasia
... the optic nerve in ...the optic stalk at 8 weeks gestational ...fetal optic nerve and found that at least 70% regress during ...the optic nerve rim with greater loss of ...
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Morphometric characteristics of the optic canal and the optic nerve
... The optic nerve (ON), a major component of the visual system, is divided into four segments: the intrabulbar (IB), the intraorbital (IO), the intraca- nalicular (ICn) and the intracranial ...the ...
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Increased expression of oxyproteins in the optic nerve head of an in vivo model of optic nerve ischemia
... anterior optic nerve ischemia was induced as previously described by Cioffi et ...anterior optic nerve by osmotically driven minipumps at a con- trolled and constant flow rate ...the ...
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Images of the Optic Nerve: Anatomic CT Correlation
... Since the optic nerve has a sinuous course in both the horizontal and vertical planes, no thin axial or sagittal section can be entirely parallel to the nerve.. An[r] ...
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Contrast Enhanced 3D FLAIR Imaging of the Optic Nerve and Optic Nerve Head: Novel Neuroimaging Findings of Idiopathic Intracranial Hypertension
... the optic nerve versus normal ...the optic nerve on FLAIR imaging cannot be used for a definitive diagnosis of all severities of IIH but may be useful for the detection of more severe ...
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Diffusion Tensor Imaging of the Optic Nerve in Subacute Anterior Ischemic Optic Neuropathy at 3T
... following optic ischemia, the remaining axons are still aligned in the same direction along the ON, so the 储 is relatively ...the optic nerve in 16 patients with optic neuritis at the same ...
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Radiologic pathologic correlation: meningioma of the optic nerve sheath
... the optic nerve ...studies, optic nerve glio- mas show fusiform enlargement of the optic nerve, with normal surrounding ...
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The Initiation and Conduction of Action Potentials in the Optic Nerve of Tritonia
... By observing the form of the extracellular action potentials recorded at different sites along the optic nerve during light and darkness (Figs. 2, 3), as well as by noting the temporal r[r] ...
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Quantitative relations between the eyeball, the optic nerve, and the optic canal important for intracranial pressure monitoring
... eye/optic nerve-specific pathology; 3) CT investiga- tion did not detect any cranial pathology or existing path- ology of the optic nerve; 4) blood tests did not indicate any toxic elements ...
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1.2a Disorders of the Optic Nerve
... THE COMS GRADING SCHEME : GRADED FEATURES Optic disc edema is seen as blurring of the disc margins. The University of Iowa is a participant in the Collaborative Ocular Melanoma Study (COMS), a multicerter ...
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Radiologic evaluation of tumors of the optic nerve
... This series of e x aminations included skull films in all six patients, optic fo r a m e n views a nd optic canal tomograms in two patients each, and ear ly- ge nera[r] ...
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The clinical relevance of structural changes of the optic nerve head and retinal nerve fibre layer in glaucomatous optic neuropathy
... Of course, it is important to emphasise that as glaucoma is usually a bilateral disease, assessment of RAPD is unlikely to be a useful tool for screening, as has been suggested by some (Chang et al 2013b). Furthermore, ...
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OPtic nerve head elevation is often alarming. Congenital Anomalies of the Optic Nerve in One Fanlily /1 ' i"
... The differential diagnosis of an elevated optic nerve head includes increased cerebrospinal fluid pressure (caused by space- occupying intracranial lesions), or abnormali[r] ...
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Membrane properties of neuroglia in the optic nerve of Necturus
... The passive electrical properties of the glial membrane have been determined from steady state measurements of the distribution of membrane potential change produced by intracellular cur[r] ...
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OPTIC NERVE HYPOPLASIA
... An eye doctor (ophthalmologist) can diagnose optic nerve hypoplasia by looking inside the eye with an ophthalmoscope. The front surface of the optic nerve (optic disc) appears smaller ...
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The impact of optic nerve movement on optic nerve magnetic resonance diffusion parameters
... Introduction Optic nerve (ON) diffusion imaging has gained prominence as a useful investigational tool for optic nerve microstructure and ...chronic optic neuritis on ON structure, its ...
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Optic nerve sheath fenestration for Idiopathic Intracranial Hypertension. Optic nerve sheath fenestration
... an optic nerve sheath fenestration? Optic nerve sheath fenestration is an operation which is performed to reduce the swelling in the optic nerves in order to protect the ...the ...
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Optic Neuritis From Diagnosis to Optic Nerve Transplantation
... Abstract: Optic neuritis is a clinical syndrome resulting from inflammation, demy- elination, or infection of the optic ...of optic neuritis who came to our clinic between 1978 and ...in optic ...
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Ultrasound measurement of optic nerve diameter and optic nerve sheath diameter in healthy Chinese adults
... the optic nerve is part of the central nervous system, which is surrounded by a subarachnoid space, elevation in ICP can be transmitted through the subarachnoid space and cause extension of the space ...
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