The optic nerve is a bundle of 1.2 million axons of retinal ganglion cells that carries visual information from the retina to the brain. The optic nerve is myelinated by oligodendrocytes that do not regenerate after damage. In optic nerve atrophy there is loss of axons and shrinkage of myelin leading to gliosis and … See more 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 … 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 … 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 damage. For instance, intraocular pressure control in glaucoma, … See more WebJun 18, 2015 · This article reviews the diagnosis, pathophysiological features, and prognosis of ischemic optic neuropathy, a relatively common cause of visual loss in older patients, including visual loss after ...
Neuro-ophthalmology Questions of the Week: Toxic and Nutritional Optic …
WebMar 10, 2024 · Optic atrophy, pallor of the optic nerve head, is a sign found in patients with … WebChronic optic neuropathies ultimately produce pale, atrophic optic discs, regardless of the … chichester court jobs
An Algorithm for the Evaluation of Peripheral Neuropathy AAFP
WebOther factors could include optic nerve insults due to other optic neuropathies or even trauma. 12,15,16 In the present case, intracranial hypertension could act as the triggering factor of LHON. Lamirel et al 12 reported one case of 11778 mtDNA LHON-specific mutations with confirmed diagnosis in a young adult male with idiopathic intracranial ... WebPallor of the optic disc invariably develops following any pathological process affecting the optic nerve, chiasm, and optic tract. Many studies have been undertaken to determine whether the presence of optic disc pallor can predict recovery of visual function after resection of craniopharyngiomas. WebThe presence of optic disc pallor should alert the ophthalmologist to a nonglaucomatous process. As shown in Figure 2, the superior optic disc pallor in the optic nerve that corresponds to the inferior arcuate field … chichester court harrow