Results 21 to 30 of about 119,281 (288)

Optical coherence tomography angiography of optic disc perfusion in non-arteritic anterior ischemic optic neuropathy [PDF]

open access: yesInternational Journal of Ophthalmology, 2017
AIM: To compare the optic disc blood flow of non-arteritic ischemic optic neuropathy (NAION) eyes with normal eyes. METHODS: The optic disc blood flow densities of diagnosed non-acute phase NAION eyes (21 eyes, 14 individuals) and normal eyes (19 eyes ...
Jia-Wen Ling   +4 more
doaj   +1 more source

Optic Disc Abnormalities – Diagnosis, Evolution and Influence on Visual Acuity

open access: yesBiomolecules & Biomedicine, 2010
Congenital abnormalities of the optic disc are not so rare. The etiology for the most of them is unknown. Visual acuity of affected eye may be minimally or severely affected, depending on the extent of lesion. All of these conditions can be unilateral or
Sonja Cekić   +4 more
doaj   +1 more source

Age effect on retina and optic disc normal values [PDF]

open access: yes, 2005
Purpose: To investigate retinal thickness and optic disc parameters by the Retinal Thickness Analyzer (RTA) glaucoma program in older normal subjects and to determine any age effect.
Aljoscha S. Neubauer   +24 more
core   +1 more source

The relation between the thickness of retrobulbar part of the optic nerve, measured by ultrasound, and the degree of prominence of the optic disc in stasis of the optic nerve [PDF]

open access: yesSrpski Arhiv za Celokupno Lekarstvo, 2006
Introduction: The etiology of the noninflamed edema of the optic disc, or the stasis of the same, is related to a large number of various illnesses which result in the increased intracranial pressure.
Stefanović Ivan   +2 more
doaj   +1 more source

Familial Disorders of the Optic Disc: Presentation of a Mother and Daughter and Review of the Literature

open access: yesCase Reports in Ophthalmology, 2015
Optic disc pit and optic nerve coloboma are examples of congenital optic disc abnormalities. Although optic nerve coloboma can be inherited in an autosomal dominant fashion, no conclusive link has been found in the case of optic disc pit as an autosomal ...
Chia Lee Hsu, Christopher J. Layton
doaj   +1 more source

Vitrectomy combined with glial tissue removal at the optic pit in a patient with optic disc pit maculopathy: a case report [PDF]

open access: yes, 2008
Introduction We present a case of a man with optic disc pit maculopathy, whose vision improved after vitrectomy combined with glial tissue removal from the optic pit area, and without the use of photocoagulation.
Inoue Makoto, Shinoda Kei, Ishida Susumu
core   +1 more source

Utility of multicolor optic disc photography in evaluation of glaucomatous optic disc in myopic eyes: A novel approach

open access: yesIndian Journal of Ophthalmology, 2019
Interpretation of optic disc cupping and neuroretinal rim is challenging in myopic eyes because of large, shallow, and tilted disc, myopic crescent, and macular degeneration.
Tamonash Basu   +5 more
doaj   +1 more source

Pseudoduplication of the optic disc initially resembling a bifurcated optic nerve in a strabismus child: a case report

open access: yesBMC Ophthalmology, 2020
Background Pseudoduplication of the optic disc is a rare clinical condition that is characterized by a circumscribed, disc-like lesion with radiating vessels but only one normal optic nerve.
Liuhui Huang   +3 more
doaj   +1 more source

Automatic Optic Disc Center and Boundary Detection in Color Fundus Images [PDF]

open access: yesJournal of Artificial Intelligence and Data Mining, 2018
Accurately detection of retinal landmarks, like optic disc, is an important step in the computer aided diagnosis frameworks. This paper presents an efficient method for automatic detection of the optic disc’s center and estimating its boundary.
F. Abdali-Mohammadi, A. Poorshamam
doaj   +1 more source

Automatic Segmentation of Optic Disc in Eye Fundus Images: A Survey [PDF]

open access: yes, 2015
Optic disc detection and segmentation is one of the key elements for automatic retinal disease screening systems. The aim of this survey paper is to review, categorize and compare the optic disc detection algorithms and methodologies, giving a ...
Allam, Ali   +2 more
core   +3 more sources

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