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Optic Nerve Injuries -- See Also Craniocerebral Trauma


Traumatic injuries involving the cranium and intracranial structures (i.e., BRAIN; CRANIAL NERVES; MENINGES; and other structures). Injuries may be classified by whether or not the skull is penetrated (i.e., penetrating vs. nonpenetrating) or whether there is an associated hemorrhage
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Optic Nerve Ischemia -- See Optic Neuropathy, Ischemic


Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
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Optic Nerve Ischemias -- See Optic Neuropathy, Ischemic


Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
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Optic Nerve Neoplasms -- diagnosis : Primary optic nerve sheath meningioma / B. Jeremic, S. Pitz (eds.) ; with contributions by G. Bednarz [and others] ; foreword by L.W. Brady [and others]  2008 1
Optic Nerve Neoplasms -- radiotherapy : Primary optic nerve sheath meningioma / B. Jeremic, S. Pitz (eds.) ; with contributions by G. Bednarz [and others] ; foreword by L.W. Brady [and others]  2008 1
Optic Nerve -- pathology : Neuro-ophthalmology / volume editors, Christopher Kennard and R. John Leigh  2011 1
Optic nerve -- Surgery : Retinal and optic nerve stem cell surgery / Jeffrey N. Weiss  2021 1
 

Optic Nerves -- See Optic Nerve


The 2nd cranial nerve which conveys visual information from the RETINA to the brain. The nerve carries the axons of the RETINAL GANGLION CELLS which sort at the OPTIC CHIASM and continue via the OPTIC TRACTS to the brain. The largest projection is to the lateral geniculate nuclei; other targets include the SUPERIOR COLLICULI and the SUPRACHIASMATIC NUCLEI. Though known as the second cranial nerve, it is considered part of the CENTRAL NERVOUS SYSTEM
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Optic Neuritides -- See Optic Neuritis


Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis)
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Optic Neuritides, Anterior -- See Optic Neuritis


Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis)
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Optic Neuritides, Posterior -- See Optic Neuritis


Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis)
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Optic neuritis.   3
 

Optic Neuritis, Anterior -- See Optic Neuritis


Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis)
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Optic Neuritis, Posterior -- See Optic Neuritis


Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis)
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Optic Neuropathies -- See Optic Nerve Diseases


Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina, at the optic disk, or in the nerve, optic chiasm, optic tract, or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect
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Optic Neuropathies, Ischemic -- See Optic Neuropathy, Ischemic


Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
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Optic Neuropathy -- See Optic Nerve Diseases


Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina, at the optic disk, or in the nerve, optic chiasm, optic tract, or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect
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Optic Neuropathy, Anterior Ischemic -- See Optic Neuropathy, Ischemic


Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
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Optic Neuropathy, Ischemic : Ischemic optic neuropathies / Sohan Singh Hayreh  2011 1
 

Optic Neuropathy, Posterior Ischemic -- See Optic Neuropathy, Ischemic


Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
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Optic Technologies, Fiber -- See Fiber Optic Technology


The technology of transmitting light over long distances through strands of glass or other transparent material
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Optic Technology, Fiber -- See Fiber Optic Technology


The technology of transmitting light over long distances through strands of glass or other transparent material
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Optic thalamus -- See Thalamus


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Optica.   19
Òptica -- Aparells i instruments. : Optical engineering fundamentals / Bruce Walker  2009 1
Óptica (atividade) : Molecular light scattering and optical activity / Laurence D. Barron  2004 1
Óptica eletrônica. : Optical network control : architecture, protocols, and standards / Greg Bernstein, Bala Rajagopalan, Debanjan Saha  2004 1
Óptica (equipamentos) : Photonics rules of thumb : optics, electro-optics, fiber optics, and lasers / Ed Friedman, John Lester Miller  2004 1
Òptica fisiològica. : Field guide to visual and ophthalmic optics / Jim Schwiegerling  2004 1
Òptica geomètrica. : Field guide to geometrical optics / John E. Greivenkamp  2004 1
Óptica geométrica -- Matemáticas : Geometric optics : theory and design of astronomical optical systems using Mathematica® / Antonio Romano  2009 1
Óptica no lineal -- Modelos matemáticos : Hiérarchie de modèles en optique quantique : de Maxwell-Bloch à Schr̈odinger non-linéaire / Brigitte Bidégaray-Fesquet  2006 1
 

Optical absorption -- See Light absorption


Here are entered works on the process by which the energy of light radiation is transferred to a medium through which it is passing
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Optical Activity -- See Optical Rotation


The rotation of linearly polarized light as it passes through various media
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Optical amplifiers.   13
Optical amplifiers -- Materials. : Light propagation in gain media : optical amplifiers / Malin Premaratne, Govind P. Agrawal  2011 1
Optical and Electronic Materials   3
Optical antennas.   3
 

Optical antipodes -- See Enantiomers


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Optical art.   12
Optical art -- Exhibitions.   2
Optical art -- France.   3
Optical art -- Japan. : Alfie and the ferryboat / Charles Keeping  1968 1
Optical aspects Molecular structure : Second-order nonlinear optical characterization techniques : an introduction / Thierry Verbiest, Koen Clays, Vincent Rodriguez  2009 1
Optical bistability.   3
 

Optical bleaches -- See Optical brighteners


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Optical brighteners   2
Optical brighteners -- Handbooks, manuals, etc : Handbook of fluorescent dyes and probes / R.W. Sabnis  2015 1
Optical brighteners -- Testing -- Bibliography. : Bibliographical abstracts on evaluation of fluorescent whitening agents, 1929-1968 / prepared by L.E. Weeks [and others]  1972 1
Optical character recognition.   8
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