ON - Optic nerve
Optic nerve crush induces spatial and temporal gene expression patterns in retina and optic nerve of BALB/cJ mice
... Although previous studies with CNS trauma models have addressed gene expression changes related to neur- onal apoptosis [18,26,39,51], current gaps still exist for identifying long-term neuroprotective and regeneration ...
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Defining Optic Nerve Tortuosity
... of optic nerve ...the optic nerves on coronal sequences and the presence of dilation of the sub- arachnoid space (factors 5 and 6) occurring together is ex- tremely sensitive for a diagnosis of ...
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Optic nerve head analysis of superior segmental optic hypoplasia using Heidelberg retina tomography
... Our sectorial analysis of the optic nerve head has shown that many of the parameters differed significantly between normal subjects and patients with SSOH. Also, a large proportion of the eyes with SSOH ...
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Optic Nerve Measurement on MRI in the Pediatric Population: Normative Values and Correlations
... the optic nerve, and the coronal images were placed on the sagittal cuts perpendicular to the optic ...the optic nerve (Fig ...1 optic nerve was used for measurements, ...
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Increased expression of oxyproteins in the optic nerve head of an in vivo model of optic nerve ischemia
... Rabbits were sacrificed and enucleated after two, four, and eight weeks of ET-1 administration and after two and eight weeks of BSS administration. After enucle- ation, oxidative proteins in the cornea, vitreous, retina, ...
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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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Optic Nerve Hyperintensity on T2 Weighted Images among Patients with Pituitary Macroadenoma: Correlation with Visual Impairment
... of optic nerve hyperintensity lesions was corre- lated to the degree of optic chiasm compression and to the presence of diminished VA (P ⬍ ...) optic chiasm compression, the optic ...
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The Initiation and Conduction of Action Potentials in the Optic Nerve of Tritonia
... Therefore the experimental observations suggest that, in the dark, optic nerve spikes are generated in the distal half of the nerve, but when the fibres are depolarized by a decrementall[r] ...
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Correlation of Ultrasonographic Optic Nerve Sheath Diameter with Direct Measurement of Intracranial Pressure
... Our study concluded that ocular ultrasonographic measurement of optic nerve sheath is a simple tool for detection of raised ICP. It can be used as a good alternative of invasive ICP measurement. This non- ...
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<p>Optic Nerve Hypoplasia: A Retrospective Analysis of Clinical Presentation and Disease Severity</p>
... this, optic nerve hypo- plasia patients may mistakenly be labeled with alternative disease states, including optic ...retinal nerve fi ber layer (RNFL) thickness at the optic ...
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Morphometric characteristics of the optic canal and the optic nerve
... The optic nerve and the optic chiasm; ...the optic chiasm (OCh) and the intracranial (ICr) segment of the optic nerve (ON); ...the optic canal, ...
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Radiologic evaluation of tumors of the optic nerve
... The patients who did not undergo a surgical procedure had strong clinical and radiologic evidence to support the diagnosis of optic nerve glioma, including continuous or progressive prop[r] ...
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Citation: Doukas A, Ahmeti H, Barth H, Mehdorn M, Nabavi A (2014) Optic Nerve Cavernous Haemangioma as a Rare Cause of Retro-Orbital Pain Mimicking Intracranial Aneurysm. J Case Rep Stud 2(5): 504. doi: 10.15744/2348-9820.2.204
... Cavernous haemangiomas of the optic nerve, optic chiasm or optic tract are rare. Usually they present with acute onset of symptoms such as acute decline of visual acuity, headaches, nausea or ...
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Images of the Optic Nerve: Anatomic CT Correlation
... Oblique Planes through Optic Nerve The optic nerve can be demonstrated in its entire length on sections obtained parallel to a line extending between the optic disc and the orbital openi[r] ...
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Anterior chiasmal optic nerve avulsion
... entire optic nerve was torn from the chiasm, presumably from strong trac- tional ...the nerve re- vealed that it was stripped of dura over its distal portion, corresponding to the canalicular seg- ...
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Contrast Enhanced 3D FLAIR Imaging of the Optic Nerve and Optic Nerve Head: Novel Neuroimaging Findings of Idiopathic Intracranial Hypertension
... While CE 3D-FLAIR imaging shows evidence of papilledema in patients with IIH, with a reasonable amount of sensitivity and specificity, the correlation between the Frise´n Scale and our scale was only moderately positive. ...
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Optic nerve head topography and retinal structural changes in eyes with macrodisks: a comparative study with spectral domain optical coherence tomography
... retinal nerve fiber layer (pRNFL) thicknesses were evaluated by ONH and automatically calculated by OCT using existing ...the optic disk as the end of the retinal pigment ...
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Transorbital Sonography in Acute Optic Neuritis: A Case Control Study
... the optic nerve is probably related to inflammation of the optic nerve, resulting in an increase of the perineural sub- arachnoid fluid or edema caused by an impairment of axoplasmic flow, ...
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... Neurofibromatosis (NF) is a distinct condition with a multitude of clinical manifestations. It has been classified recently into two subtypes, NF1 and NF2. NF1 is an autosomal dominant disorder, affecting about 1 in ...
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Sudden Bilateral Blindness Following Massive Uterine Bleeding: Reports of 2 Cases Chinyere Nnenne Pedro-Egbe 1* and Elizabeth Awoyesuku 1
... ischemic optic neuropathy by various studies (Frederico et ...Ischemic optic neuropathy is usually associated with giant cell (temporal) arteritis as well as with systemic hypertension, diabetes mellitus, ...
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