Optic disc atrophy
WebOptic atrophy is a morphological sequela reflecting the loss of many or all of these axons. Myriad diseases such as hereditary, metabolic, tumor, and increased intracranial pressure … WebOct 1, 2024 · Atrophy of the optic disk which may be congenital or acquired. This condition indicates a deficiency in the number of nerve fibers which arise in the retina and converge …
Optic disc atrophy
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WebApr 6, 2024 · Myopia is the most common ocular disorder in the world, with a high prevalence rate in East Asia. 1 – 3 In myopic eyes, axial elongation is accompanied by scleral remodelling around the optic nerve head (ONH). Moreover, specific anatomic optic disc features, such as peripapillary atrophy, often appear in myopic eyes. 4 – 6 In recent … WebOptic nerve involvement has been reported in 17% of eyes with PORN including optic disc edema and optic disc atrophy. 24 Retrobulbar optic neuropathy has been reported to precede the development of PORN. 25, 26 Eyes with PORN-associated optic neuropathy have a poor visual outcome despite aggressive antiviral therapy. Cytomegalovirus …
WebJul 20, 2024 · Optic atrophy is the final common morphologic endpoint of any disease process that causes axon degeneration in the retinogeniculate pathway. Clinically, optic atrophy manifests as changes in the color and the structure of the optic disc associated with variable degrees of visual dysfunction. WebJul 20, 2024 · Table 1. Various Common Groups of Disorders Presenting with Optic Atrophy (Open Table in a new window) Differential Diagnoses Axial myopia Brighter-than-normal luminosity Myelinated nerve...
WebOptic atrophy can be defined as damage to the optic nerve resulting in a degeneration or destruction of the optic nerve. Optic atrophy may also be referred to as optic nerve head pallor because of the pale appearance of the optic nerve head as seen at the back of the eye. Optic atrophy refers to the death of the retinal ganglion cell axons that comprise the optic nerve with the resulting picture of a pale optic nerve on fundoscopy. Optic atrophy is an end stage that arises from myriad causes of optic nerve damage anywhere along the path from the retina to the lateral geniculate. … See more Since the optic nerve is the conduit for information from the retina to the brain, a damaged optic nerve will result in vision loss. Subtle damage might not affect … See more The management goal is to intervene before optic atrophy is noted or to save remaining function. This will depend on the underlying cause for the optic nerve … See more
WebMay 12, 2024 · A myopic optic disc is characterized by a variety of optic disc abnormalities including tilted disc, disc torsion, and peripapillary atrophy, and these optic disc features tend to...
WebApr 7, 2024 · Optic disc atrophy typically shows focal, wedged-shaped temporal optic atrophy, however diffuse atrophy may be present. As the primary pathology is the … how to sell workout plans onlineWebNov 18, 2011 · There are numerous causes of optic atrophy, including direct compression of the nerve or chiasm by a mass lesion, infarction, trauma, toxicity inflammation, infiltration, and metabolic dysfunction, to name a … how to sell woodworking toolsWebIn general, optic disc swelling alone refers to axonal distension and elevation of the optic disc, and optic disc edema indicates optic disc swelling along with increased fluid surrounding the axons. This is caused by obstruction of slow and fast axoplasmic transport resulting in axoplasmic backflow. [1] Diagnosis History how to sell wine from homeWebThe optic disc coloboma (ODC) is characterized by a bowl shaped excavation often inferiorly with sharp borders. Unlike the morning glory disc, the ODC has no central glial tuft and the disc vasculature is usually normal. ODC can mimic glaucomatous cupping [1,3] but the excavation in ODC is normally decentered inferiorly and is non-progressive. [4] how to sell wholesale products onlineWebAug 26, 2024 · The clinical hallmark of nonglaucomatous optic atrophy is pallor of the optic disc, seen ophthalmoscopically ( Box 44.2 ). Strictly speaking, “pallor” is a subjective and comparative term that is somewhat ill-defined. To state that a disc is pale requires appreciation of “normal” disc color, which can vary widely among individuals. how to sell wood craftsWebCommonly the optic disc has an oval appearance en-face and is referred to as a tilted disc. The optic nerve appears to insert into the elongated globe at an angle. The tilted appearance is characterized by temporal flattening of the disc … how to sell wormsWebThe optic disc may appear normal, swollen, or hyperemic in early stages. With hyperemia, disc hemorrhages may also be present. Continued damage to the optic nerve results in … how to sell without selling