Results 21 to 30 of about 137,284 (347)

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

Progressive ataxia with oculo-palatal tremor and optic atrophy [PDF]

open access: yes, 2013
The final publication is available at Springer via doi: 10.​1007/​s00415-013-7136-
A. M. Bronstein   +17 more
core   +1 more source

Melanopsin-expressing retinal ganglion cells are resistant to cell injury, but not always [PDF]

open access: yes, 2017
Melanopsin retinal ganglion cells (mRGCs) are intrinsically photosensitive RGCs deputed to non-image forming functions of the eye such as synchronization of circadian rhythms to light-dark cycle.
Carelli, Valerio   +7 more
core   +1 more source

Automated Fovea Detection Based on Unsupervised Retinal Vessel Segmentation Method [PDF]

open access: yes, 2017
The Computer Assisted Diagnosis systems could save workloads and give objective diagnostic to ophthalmologists. At first level of automated screening of systems feature extraction is the fundamental step. One of these retinal features is the fovea.
Kalantari, Faraz   +3 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 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

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  

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

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

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

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