Optic Nerve Drusen Visual Field Loss - University of Iowa
2007年8月14日 · The optic disc can appear to have no "optic cup", resulting in the appearance of papilledema, which is a major part of the differential diagnosis (Davis 2003). As patients get older, particularly past the teenage years, the drusen become more visible. The drusen begin to protrude from the edge of the optic disc and cup, especially on the ...
Atlas Entry - Normal fundus - adult - University of Iowa
The optic disc appears pink with sharp margins and a cup-to-disc ratio of approximately 0.35. The vasculature is normal in course and caliber. The striated sheen radiating outward from the disc is evidence of a healthy retinal nerve fiber layer.
Ischemic Optic Neuropathy - University of Iowa
A splinter hemorrhage at disc margin is common (Fig. 8). 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 . There is a characteristic evolutionary pattern of optic disc edema in NA-AION, as discussed elsewhere .
Optic disc pallor. COMS Grading - University of Iowa
2006年6月27日 · Optic disc pallor is a pale yellow discoloration that can be segmental or generalized. This determination is made on color photographs. Comparison to initial visit photographs or photographs of the fellow eye was necessary to make this determination.
Atlas Entry - Gray crescent of the optic nerve head - University of …
This 34-year-old African American male might appear to have severe thinning of the temporal neuroretinal rim, but if the examiner traces the margin of the optic disc carefully and realizes there is a gray crescent, he will appreciate the rim of healthy optic nerve tissue temporally.
Atlas Entry - Optociliary shunt vessels - University of Iowa
The differential diagnosis for acquired optociliary shunt vessels commonly includes central retinal vein occlusion, chronic glaucoma, chronic papilledema, or an optic nerve sheath meningioma. Optociliary shunt vessels can be differentiated from neovascularization of the disc by their large caliber and lack of leakage on fluorescein angiogram.
istinguishing optic disc edema from pseudopapillede-ma is a common clinical problem that can challenge even the most experienced ophthalmologists (1). Differen-tiating optic disc edema from an optic disc anomaly is Department Ophthalmology (PAS), State University of New York at Stony Brook, Stony Brook, New York; Departments of Neurology,
EyeRounds.org: How to grade papilledema - University of Iowa
This module will help clinicians and researchers to accurately and consistently grade papilledema. Future modules are being developed for differentiating papilledema, pseudopapilledema and optic disc drusen and for the use of OCT to diagnose and monitor these entities.
Non-arteritic anterior ischemic optic neuropathy (NAION)
2023年3月22日 · During early stages optic disc edema involving the superior temporal part of the optic disc and prominent vessels in that region. Enlarge Download During later stages: pale color (atrophy) in the upper half of the optic disc - more marked in the temporal than the nasal part, and spontaneous resolution of the prominent blood vessels on the optic ...
Morning Glory Disc Anomaly - University of Iowa
2024年1月22日 · Morning glory disc anomaly (MGDA) is a congenital malformation of the optic nerve head, first reported Dr. Peter Kindler in 1970. He described a congenital, funnel-shaped, excavated, enlarged optic disc with central white-colored fibrous tissue, peripapillary pigmentary changes, and straight branches of retinal vessels emanating radially from ...