Optic disc pallor eyewiki
WebVitamin B12 deficiency anemia: This condition causes optic neuropathy, which is evident as disc pallor. 7 Sickle cell anemia: Proliferative changes are seen in the retina secondary to vaso-occlusion, which can lead to …
Optic disc pallor eyewiki
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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 … WebThe optic nerve (optic disc, optic disk, optic nerve head [ONH]) area is approximately 2.1-2.8 mm 2 in whites who are not highly myopic depending on the measurement method …
WebMay 15, 2005 · Diagnosis: Optic nerve glioma associated with Neurofibromatosis Type 1 Differential Diagnoses of Painless loss of vision in a child with an RAPD and an abnormal disc Optic glioma Leber's … http://kellogg.umich.edu/theeyeshaveit/opticfundus/disc_pallor.html
WebDiabetic papillopathy, another potential ocular complication from diabetes, is a self-limiting, sometimes bilateral disease that may affect both type 1 and type 2 diabetics. It is characterized by optic disc swelling caused by vascular leakage and axonal edema in and around the optic nerve head. 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 …
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 …
WebThe normal optic nerve appearance is classic, but pallor may be visible in more chronic cases as vision loss progresses. 3 Once toxicity is identified, the only treatment available is to stop the drug. As evidenced in this case, visual decline can progress even with discontinuation. philip petersen attorneyWebThe ophthalmologist should then examine the eye, including the fundus, for any abnormal pupillary reactions, disc hyperemia, peripapillary hemorrhages, or disc pallor, but being wary that no such changes may be present despite ocular toxicity. trulia what\u0027s my home worthWebMar 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. philip petersen carsWebThe optic tract syndrome is characterized by a contralateral, incongruous homonymous hemianopia, contralateral relative afferent pupillary defect (RAPD), and optic atrophy due to retrograde axonal degeneration. [14] Causes of optic tract lesions are also classified into intrinsic and extrinsic forms. philip peters murderWebNormal optic disc, whose temporal portion is whiter than its nasal portion; Optic disc of myopic patients, whose temporal portion is even whiter than in non-myopic patients; Distinguishing pathologic optic pallor from normal … trulia wheaton ilWebA 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. philip peters ghostWebA 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 … philip petersen usc