Results 31 to 40 of about 59,002 (265)

Pigmented optic disc lesion: A melanoma masquerade

open access: yesTNOA Journal of Ophthalmic Science and Research, 2020
A 67-year-old male was diagnosed with a pigmented lesion on the optic disc. Optic disc melanocytoma (ODM) is a rare benign, nonprogressive, heavily pigmented lesion arising from the melanocytes of the optic disc.
Zeba Muzammil Shaikh   +2 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Deep learning-based optic disc classification is affected by optic-disc tilt

open access: yesScientific Reports
We aimed to determine the effect of optic disc tilt on deep learning-based optic disc classification. A total of 2507 fundus photographs were acquired from 2236 eyes of 1809 subjects (mean age of 46 years; 53% men).
Youngwoo Nam   +17 more
doaj   +1 more source

The Location of the Deepest Point of the Eyeball Determines the Optic Disc Configuration

open access: yesScientific Reports, 2017
Tilted and rotated appearances are hallmarks of the myopic optic disc. As the eyeball grows axially, the posterior pole elongates not only globally but in a localized manner as well.
Yong Chan Kim   +3 more
doaj   +1 more source

Optic nerve sheath fenestration: A second lease at sight

open access: yesIndian Journal of Ophthalmology, 2023
Purpose: To study the safety and efficacy of optic nerve sheath fenestration surgery in patients with optic disc edema due to different etiologies.
Mukesh Sharma   +2 more
doaj   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Optic Disc Identification Methods for Retinal Images [PDF]

open access: yesComputer Science Journal of Moldova, 2014
Presented are the methods proposed by authors to identify and model the optic disc in colour retinal images. The first three our approaches localized the optic disc in two steps: a) in the green component of RGB image the optic disc area is detected ...
Florin Rotaru   +4 more
doaj  

Disc edge veins of Kraupa associated with optic disc drusen

open access: yesGMS Ophthalmology Cases, 2014
[english] Objective: Disc edge veins of Kraupa are a rare anomaly of the retinal venous system in which the main trunk of the retinal vein disappeared into the margin of the optic disc instead of its centre.Methods: A 40-year-old woman was detected to ...
Díaz, Andrea, Almela, Miguel Angel
doaj   +1 more source

Clinical characteristics depending on magnetic resonance imaging patterns in idiopathic isolated optic neuritis

open access: yesScientific Reports, 2023
To investigate differences in clinical features based on magnetic resonance imaging (MRI) in idiopathic isolated optic neuritis patients. We retrospectively analyzed 68 eyes of 59 patients diagnosed with optic neuritis and showed inflammatory findings ...
Sang Min Park, Ungsoo Samuel Kim
doaj   +1 more source

Primary Tumours of The Optic Disc and The Optic Disc Sheath

open access: yesGüncel Retina Dergisi (Current Retina Journal), 2023
Primary optic nerve and optic nerve sheath tumors constitute approximately 8% of intraorbital tumors and although most of them are benign, they are manifested by findings that significantly affect visual function such as vision loss, visual field defect and proptosis.
Cem KESİM, Murat HASANREİSOĞLU
openaire   +1 more source

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