Optic disc pallor eyewiki

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August undefined, 2024

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. 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]

Megalopapilla - EyeWiki

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 … WebToxic optic neuropathy (TON) refers to visual impairment due to optic nerve damage caused by a toxin.[1] Toxic optic neuropathy is characterized by bilateral, usually symmetric vision … dick\u0027s hideaway restaurant

Diabetic papillopathy: current and new treatment options

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 … WebThe optic disc will show temporal pallor and in some cases severe excavation and cupping. There various responsible genetic mutations occur in the OPA1 gene located on the chromosome 3 q region (Votruba 2004). Recessive optic neuropathy is rare and tends to present in the first year of life (Francois 1976). WebThe 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. city bloomington elections commission

Ethambutol Toxic Optic Neuropathy - Modern Optometry

WebFirst described in the late 19th century by Wiethe, optic disc pits (ODPs) are anomalous cavitations of the optic nerve. 1 ODPs are rare, and they can be congenital or acquired. … 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. dick\u0027s hiking boots for womenWebNormal 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 … dick\u0027s hideaway fire

"Web2 days ago · Megalopapilla (MP) is a rare congenital anomaly that is characterized by an enlarged nerve head and abnormal disc shape. It is a benign condition but must be … " - Optic disc pallor eyewiki

Optic disc pallor eyewiki

WebDisc edema is an ophthalmoscopic finding defined by unilateral or bilateral swelling of the optic disc. There are several synonyms used to describe this finding including papillitis, papilledema, swollen or choked discs, and the most commonly used term – … WebJul 15, 2024 · Physical findings include visual loss, loss of color vision, an afferent pupillary defect, and optic nerve pallor or atrophy. A large lesion may compress the optic chiasm, causing nystagmus...

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WebMar 2, 2024 · Optic discs may look normal initially or slight hyperemic, (similar to Leber’s HON) over time temporal pallor develops Differential Diagnoses of painless bilateral central vision loss with mild temporal disc … http://kellogg.umich.edu/theeyeshaveit/opticfundus/disc_pallor.html

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

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 … WebThe 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.

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 …

WebFeb 17, 2016 · Optic nerve hypoplasia is the most common optic disc anomaly encountered in ophthalmic practice. It is bilateral in 75% of cases. Mothers of people with optic nerve hypoplasia may have certain risk factors: Diabetes Alcohol abuse (fetal alcohol syndrome) Illicit drug abuse Medication use: quinine, anticonvulsants dick\u0027s hiking boots for menWeb2 days ago · Megalopapilla (MP) is a rare congenital anomaly that is characterized by an enlarged nerve head and abnormal disc shape. MP can mimic glaucomatous changes of the optic nerve and can occur in one or both eyes.1–3 MP is a benign condition with unknown etiology, but it has been reported in individuals with congenital glaucoma, basal ... dick\\u0027s hideaway phoenix azWebA 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. dick\\u0027s hideaway phoenixWebAlthough optic disc pallor is a hallmark of a nonglaucomatous condition, said Dr. Subramanian, look for other signs like these as well: Proptosis, droopy eyelid, or facial … dick\u0027s hiking shoesWebOptic nerve hypoplasia ( ONH) is a medical condition arising from the underdevelopment of the optic nerve (s). This condition is the most common congenital optic nerve anomaly. The optic disc appears abnormally small, because not all … city bloomingtonWebJun 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 … dick\u0027s hideaway phoenix azWebA 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 … dick\u0027s hillsboro chevrolet