Results 31 to 40 of about 136,615 (295)

Optic nerve head segmentation [PDF]

open access: yes, 2004
Reliable and efficient optic disk localization and segmentation are important tasks in automated retinal screening. General-purpose edge detection algorithms often fail to segment the optic disk due to fuzzy boundaries, inconsistent image contrast or ...
Basu, A.   +6 more
core   +1 more source

Reflections on the Utility of the Retina as a Biomarker for Alzheimer's Disease: A Literature Review. [PDF]

open access: yes, 2019
As a part of the central nervous system, the retina may reflect both physiologic processes and abnormalities related to diseases of the brain. Indeed, a concerted effort has been put forth to understand how Alzheimer's disease (AD) pathology may manifest
Honma, Patrick   +2 more
core   +1 more source

TGF-beta(2)- and H2O2-Induced Biological Changes in Optic Nerve Head Astrocytes Are Reduced by the Antioxidant Alpha-Lipoic Acid [PDF]

open access: yes, 2012
Background/Aims: The goal of the present study was to determine whether transforming growth factor-beta(2) (TGF-beta(2))- and oxidative stress-induced cellular changes in cultured human optic nerve head (ONH) astrocytes could be reduced by pretreatment ...
Abdul HM   +60 more
core   +1 more source

Clinical Applications of Optical Coherence Tomography in Ophthalmology [PDF]

open access: yesمجله دانشگاه علوم پزشکی گیلان, 2023
I read the study conducted by Alizade et al. [1] which was interesting. I need to indicate some points about the use of Optical Coherence Tomography (OCT) in ophthalmology and optic nerve diseases. As Alizadeh et al.
Masoud Aghsaei Fard
doaj  

Optic Neuritis or Inflammatory Optic Neuropathy: a review

open access: yesJournal of Ophthalmology, 2022
According to the literature, there are two equivalent terms "optic neuritis" and "inflammatory optic neuropathy". Classification, pathogenesis and clinical manifestations are ambiguous.
N. M. Moyseyenko
doaj   +1 more source

Normative Data and Minimally Detectable Change for Inner Retinal Layer Thicknesses Using a Semi-automated OCT Image Segmentation Pipeline [PDF]

open access: yes, 2019
Neurodegenerative and neuroinflammatory diseases regularly cause optic nerve and retinal damage. Evaluating retinal changes using optical coherence tomography (OCT) in diseases like multiple sclerosis has thus become increasingly relevant.
Asseyer, Susanna   +9 more
core   +2 more sources

Optic neuritis updates (ORP-57) [PDF]

open access: yesNeurology Letters, 2023
The optic nerve is a relatively small structure, with a total length of 50 mm, but there are numerous causes of optic nerve disorders, including: inflammation, tumours, vascular disorders, metabolic diseases, infections, drugs, systemic diseases, genetic
Nahid Beladi Moghadam
doaj  

Ocular hypertension in myopia: analysis of contrast sensitivity [PDF]

open access: yes, 2018
Purpose: we evaluated the evolution of contrast sensitivity reduction in patients affected by ocular hypertension and glaucoma, with low to moderate myopia.
Arrico, L   +4 more
core   +1 more source

Toxic damage of the optic nerve by smoking a tobacco mixture using a hookah

open access: yesРоссийский офтальмологический журнал, 2022
Recent years have seen an increase in tobacco mixture smokers using hookahs. Dangerous substances released during smoking cause substantial harm to the entire body, and bring about visual impairment with toxic optical neuropathy. Eye structures which are
E. E. Ioyleva   +2 more
doaj   +1 more source

AI for public health: Self-screening for eye diseases [PDF]

open access: yes, 1998
A software-based visual-field testing (perimetry) system is described which incorporates several AI components, including machine learning, an intelligent user interface and pattern discovery.
Cheng, G, Liu, X, Wu, J
core   +1 more source

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