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. … WebThe optic nerve head : retinal nerve fiber opacification, elevation of the margins, hyperemia, and obliteration of the cup vascular features related to congestion: venous dilation, vascular tortuosity, hemorrhages, cotton wool spots, and exudates ( which can extend to the macula causing a macular star appearance).

Optic Disc - an overview ScienceDirect Topics

WebOptic disc drusen (ODD) are present in 0.5%–3.7% of the population ( 1,2 ). Although the definitive etiology of ODD is not known, proposed risk factors include a small scleral canal, dysplasia of the optic nerve and its vasculature, and small optic disc size. WebOptic nerve drusen is an eye problem that could occur at any age. It can cause some mild visual issues but is usually symptomless. Most of the time, you won’t even know that you … fitz intermediate school

Optic Neuritis (Optic Nerve Inflammation): Symptoms, Causes

WebAnalysis: Left eye (LE) had 6/6 vision but posterior segment revealed a hyperemic disc. Fundus fluorescein angiography (FFA) revealed delayed arm to retina time and increased … WebStroke of the optic nerve, known as anterior ischemic optic neuropathy. A tumor that is pressing on the optic nerve. Optic neuritis, an inflammation (swelling) ... The doctor will look at the optic disc, the point at the back of the eye where the optic nerve enters. In optic atrophy, the optic disc will be pale because of a change in the flow ... WebOptic Nerve Cupping. Both people with and without optic nerve damage have optic nerve cupping, although those with glaucoma tend to have a greater cup-to-disc ratio. The optic nerve carries impulses for sight from the retina in the eye to the brain. It is composed of millions of retinal nerve fibers that bundle together and exit to the brain ... can i iterate through dictionary python