Results 41 to 50 of about 137,136 (300)

Correlation of subfoveal choroidal thickness with axial length, refractive error, and age in adult highly myopic eyes

open access: yesBMC Ophthalmology, 2018
Background Subfoveal choroidal thickness (SFCT) in highly myopic eyes was found to be correlated with increasing age, refractive error (spherical equivalent), and axial length. Which factor is the most significant predictor of SFCT remains controversial.
Bingqian Liu   +8 more
doaj   +1 more source

Lens-induced myopization and intraocular pressure in young guinea pigs

open access: yesBMC Ophthalmology, 2020
Background Intraocular pressure (IOP) is an important physiological measure of the eye and is associated with some ocular disorders. We aimed to assess the influence of topical beta blocker-induced IOP reduction on lens-induced axial elongation in young ...
Li Dong   +7 more
doaj   +1 more source

Vertical Macular Asymmetry Measures Derived From SD-OCT for Detection of Early Glaucoma. [PDF]

open access: yes, 2017
PurposeTo test the hypothesis that vertical asymmetry in macular ganglion cell/inner plexiform layer (GCIPL) thickness can improve detection of early glaucoma.MethodsSixty-nine normal eyes and 101 glaucoma eyes had macular imaging with spectral-domain ...
Afifi, Abdelmonem A   +7 more
core   +1 more source

Audit on A-scan use prior to cataract surgery in Mater Dei Hospital [PDF]

open access: yes, 2015
The A-scan is a method of measurement of the ocular axial length (L). It is coupled with corneal curvature keratometry (K) readings so that one can measure the required power (P) of an intraocular lens (IOL) used for cataract surgery.
Agius, David   +4 more
core  

Axial length measurement techniques in pediatric eyes with cataract

open access: yesSaudi Journal of Ophthalmology, 2012
Globe axial length (AL) in children is commonly measured using either contact or immersion technique. Office measurement of AL can be difficult in young children and infants and must often be done under anesthesia in an eye that is unable to cooperate with precise fixation and centration.
Wilson, M. Edward, Trivedi, Rupal H.
openaire   +2 more sources

Deep Optic Nerve Head Structures Associated With Increasing Axial Length in Healthy Myopic Eyes of Moderate Axial Length

open access: yesAmerican Journal of Ophthalmology, 2023
To elucidate which swept-source optical coherence tomography (OCT)-derived optic nerve head (ONH) parameters are associated with longer axial length (AXL) in healthy myopic eyes.Prospective cross-sectional observational study.Two hundred eleven healthy eyes of 140 participants (96 emmetropic-mild myopic [AXL: 22.2-24.5 mm], 83 moderately myopic [24.5 ...
Hitomi Saito   +17 more
openaire   +4 more sources

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

open access: yesFEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid   +3 more
wiley   +1 more source

Ocular higher-order aberrations and axial eye growth in young Hong Kong children

open access: yesScientific Reports, 2018
This retrospective longitudinal analysis aimed to investigate the association between ocular higher-order aberrations (HOAs) and axial eye growth in Hong Kong children.
Jason K. Lau   +4 more
doaj   +1 more source

Use of 2G coated conductors for efficient shielding of DC magnetic fields [PDF]

open access: yes, 2010
This paper reports the results of an experimental investigation of the performance of two types of magnetic screens assembled from YBa2Cu3O7-d (YBCO) coated conductors.
B. Vanderheyden   +6 more
core   +1 more source

Lessons Learned From a Delayed‐Start Trial of Modafinil for Freezing of Gait in Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Freezing of gait (FOG) in people with Parkinson's disease (PwPD) is debilitating and has limited treatments. Modafinil modulates beta/gamma band activity in the pedunculopontine nucleus (PPN), like PPN deep brain stimulation. We therefore tested the hypothesis that Modafinil would improve FOG in PwPD.
Tuhin Virmani   +8 more
wiley   +1 more source

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