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 papillomacular bundle, central, centrocecal and paracentral scotomas are the most common visual field defects. Color vision deficits are common. WebThe 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 the development of optic atrophy, classically seen as temporal pallor of the optic disc. Cause [ edit] Toxic optic neuropathy [ edit]
Relationship between peripapillary atrophy and myopia ... - Nature
WebOptic Atrophy is a condition that affects the optic nerve, and that can cause extensive damage to the visual pathway. Affected individuals will present with a pale optic disc due to this damage. There are several known causes of Optic Nerve Atrophy, and it is important to identify the condition early for a good prognosis. WebMar 15, 2005 · Numerous conditions may lead to optic atrophy, such as demyelinating disease, compressive disease, trauma, congenital abnormalities and developmental … it from wednesday
Prevalence and Characteristics of Peripapillary Gamma Zone in …
WebApr 12, 2024 · For measurement, the vessel density of RPC was evaluated automatically in segmented regions, including the whole image, inside disc, and peripapillary area. The whole image was evaluated over an area scan of 4.5 mm × 4.5 mm centered on the optic disc. Inside disc refers to the area inside an ellipse fitted to the optic disc boundary. WebThe 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] 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 … need to breathe documentary