نتایج جستجو برای: optic disc cupping
تعداد نتایج: 87428 فیلتر نتایج به سال:
purpose: to report a case of unilateral severe visual loss and bilateral optic disc cupping secondary to brain metastasis of bronchogenic carcinoma patient and findings: a 48 year-old woman presented with severe visual loss of left eye without redness or pain or any systemic findings .clinical findings included decreased visual acuity of left eye to 4 m cf and (+3) positive marcus-gunn reflex ....
Purpose: To report a case of unilateral severe visual loss and bilateral optic disc cupping secondary to brain metastasis of bronchogenic carcinoma Patient and findings: A 48 year-old woman presented with severe visual loss of left eye without redness or pain or any systemic findings .Clinical findings included decreased visual acuity of left eye to 4 m CF and (+3) positive Marcus-Gunn refle...
This study assessed optic disc size and cupping, using a commercially available ophthalmoscope, in order to show norms of these values for clinical practice. Subjects were office-workers referred from their respective workplaces for a routine medical examination, which included eye examination. The optic disc size was classified as small, medium or large, for having a diameter < 1.0, 1.0-1.5, o...
BACKGROUND In clinical practice, the differentiation of glaucomatous from non-glaucomatous cupping can be difficult, even for experienced observers. The purpose of this study was to evaluate the role of optical coherence tomography (OCT) in differentiating glaucomatous from non-glaucomatous optic nerve cupping in a cross-sectional pilot study. METHODS Eleven consecutive patients presenting to...
We report a rare case of optic nerve atrophy with severe disc cupping resulting from methanol poisoning. A 30-year-old man presented to the hospital complaining of decreased visual acuity in both eyes a day after drinking alcohol containing methanol. His initial visual acuity allowed for only visualizing hand motion and not corrected in either eye. Initial intraocular pressure was within normal...
Pathological optic disc cupping (ODC) is predominantly referred to as glaucoma; however, it is not only glaucoma that leads to pathological optic disc excavation. A number of other nonglaucomatous diseases also result in optic atrophy and excavation of the optic disc. Therefore, in the present study, the etiology of nonglaucomatous optic disc cupping (NGODC) was analyzed and differentiated from...
Shlomo Dotan, MD Department of Ophthalmology, Hebrew University Hadassah Medical Center, Jerusalem, Israel ABSTRACT Purpose: To demonstrate that slow-growing intracranial suprasellar mass lesions can be associated with optic disc cupping, clinically indistinguishable from glaucomatous optic neuropathy. Cases: At a neuro-ophthalmology tertiary clinic, a retrospective chart review identified four...
PURPOSE To determine whether nonglaucomatous optic disc cupping in children violates the ISNT rule (which states that for normal optic discs the neuroretinal rim width is greatest in the order inferior >or= superior >or= nasal >or= temporal). METHODS Digital ocular fundus photographs from a random cohort of children with large optic disc cups of nonglaucomatous origin were analyzed in masked ...
we evaluated the ability of spectral-domain optic coherence tomography (sd-oct) to differentiate large physiological optic disc cupping (lpc) from glaucomatous cupping in eyes with intraocular pressure (iop) within the normal range.â we prospectively enrolled patients with glaucoma or presumed lpc. participants â had optic discs with confirmed or suspected glaucomatous damage (defined as a ver...
PURPOSE To investigate whether age influences optic disc cupping in addition to the effects of intraocular pressure (IOP). METHODS Population-based study (N = 4,926 at baseline). All measures including fundus photography were done according to standard protocols. Stereoscopic images of the optic disc were graded in masked fashion. RESULTS Cup-to-disc ratios (C/D) were directly related to IO...
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