WebOct 15, 2013 · • Temporal disc pallor is the final disorder that must considered in the discussion of optic atrophy. In conditions such as nutritional or demyelinating optic neuropathy, the disc margins remain distinct with normal vasculature; however, the temporal aspect of the nerve acquires a distinctly pale coloration in contrast to the remaining rim … 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 … 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 … 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
Optic Nerve and Retinal Nerve Fiber Imaging - EyeWiki
WebA pale disc is characteristic of long-standing optic neuropathy. In many cases, only one eye is affected and patients may not be aware of the loss of color vision until the doctor asks them to cover the healthy eye. Optic neuropathy is often called optic atrophy, to describe the loss of some or most of the fibers of the optic nerve. WebMar 15, 2015 · Optic atrophy is caused by damage to ganglion cells and axons of the optic nerve.1 This can be a result of ischemia, inflammation, compression, infection or trauma.1 Ischemic optic neuropathy, optic neuritis and papilledema are the more common conditions that can lead to optic atrophy, although the complete list of differentials is extensive. brainjo
Megalopapilla - Wikipedia
WebJun 12, 2024 · Optic discs may look normal initially or slight hyperemic. Over time, temporal pallor develops. The clinical appearance is similar to Leber hereditary optic neuropathy (LHON), which can also present with normal appearing nerves. Symptoms Subacute, painless, bilateral, central vision loss Color desaturation Isolated numbness or … WebAug 24, 2016 · Optic disc edema starts to develop pallor about 2-3 weeks after the onset of NA-AION, and optic disc edema usually resolves spontaneously in about 2 months [ 66 ]. There is a characteristic … Web1. Optic disc pallor horizontally.. 2. VF (tangent screen, Humphrey, or Goldmann) and color vision testing. 3. The VF defect is a junctional scotoma due to a lesion of the optic nerve … su作品展示