Results 41 to 50 of about 83,609 (351)

Exploiting Two‐Photon Lithography, Deposition, and Processing to Realize Complex 3D Magnetic Nanostructures

open access: yesAdvanced Functional Materials, EarlyView.
Two‐photon lithography (TPL) enables 3D magnetic nanostructures with unmatched freedom in geometry and material choice. Advances in voxel control, deposition, and functionalization open pathways to artificial spin ices, racetracks, microrobots, and a number of additional technological applications.
Joseph Askey   +5 more
wiley   +1 more source

Analysis of best corrected visual acuity following corneal refractive surgery comparing low and standard predicted postoperative keratometry [PDF]

open access: yes, 2018
BACKGROUND: It is a commonly held view in the ophthalmologic community that eyes with sufficiently low calculated postoperative corneal keratometry, less than 35 diopters, should not undergo corrective refractive laser surgery (CRLS) due to the increased
Drake, Ryan Carpenter
core  

Upconversion Nanoparticles Embedded Photonic Contact Lens for Transepithelial Corneal Crosslinking Using Hyaluronate – Riboflavin Conjugate

open access: yesAdvanced Functional Materials, EarlyView.
A minimally invasive, transepithelial corneal cross‐linking (TE‐CXL) approach is presented using upconversion nanoparticles (UCNPs)‐loaded contact lenses (UCLs), after topical delivery of hyaluronate–riboflavin conjugates. The NIR‐to‐UV/blue light conversion by UCNPs in a UCL can activate riboflavin for TE‐CXL, resulting in the biomechanical strength ...
Gibum Lee   +8 more
wiley   +1 more source

Development of a generative deep learning model to improve epiretinal membrane detection in fundus photography

open access: yesBMC Medical Informatics and Decision Making
Background The epiretinal membrane (ERM) is a common retinal disorder characterized by abnormal fibrocellular tissue at the vitreomacular interface. Most patients with ERM are asymptomatic at early stages.
Joon Yul Choi   +4 more
doaj   +1 more source

Alport Syndrome and Femtosecond Laser-assisted Cataract Surgery

open access: yesJournal of Ophthalmic & Vision Research, 2020
We report the surgical management of a patient with bilateral anterior lenticonus due to Alport syndrome using femtosecond laser-assisted cataract surgery (FLACS) and the Optiwave Refractive Analysis (ORA) system.
Paz Orts-Vila   +3 more
doaj   +1 more source

Rapid assessment for prioritisation of trachoma control at community level in one district of the Kaolack Region, Senegal.

open access: yes, 2005
The objective of this study was to use a modified Lot Quality Assurance Sampling methodology to classify communities according to prevalence of active trachoma and to estimate the prevalence of trachoma and trichiasis in Nioro department, Kaolack Region,
Bailey, Robin   +3 more
core   +1 more source

Smarter Sensors Through Machine Learning: Historical Insights and Emerging Trends across Sensor Technologies

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights how machine learning (ML) algorithms are employed to enhance sensor performance, focusing on gas and physical sensors such as haptic and strain devices. By addressing current bottlenecks and enabling simultaneous improvement of multiple metrics, these approaches pave the way toward next‐generation, real‐world sensor applications.
Kichul Lee   +17 more
wiley   +1 more source

A comparative analysis of the 1-year outcomes of modified Athens protocol versus Cretan protocol in the treatment of progressive keratoconus

open access: yesBMC Ophthalmology
Background This retrospective comparative cohort study aimed to compare the one-year outcomes of two modified surgical protocols, the Athens protocol followed by accelerated corneal cross-linking (ACXL) (topography-guided transepithelial photorefractive ...
Jielei Huang   +6 more
doaj   +1 more source

Preliminary evaluation of the VIsion PERformance (VIPER) simulator

open access: yesMilitary Medical Research, 2020
Background This study evaluated the VIsion PERformance (VIPER) simulator’s ability to assess the functional visual performance in warfighters conducting civilian and military tasks.
Denise S. Ryan   +7 more
doaj   +1 more source

Reliability, repeatability, and accordance between three different corneal diagnostic imaging devices for evaluating the ocular surface

open access: yesFrontiers in Medicine, 2022
PurposeTo evaluate repeatability, reproducibility, and accordance between ocular surface measurements within three different imaging devices.MethodsWe performed an observational study on 66 healthy eyes.
Abril L. Garcia-Terraza   +11 more
doaj   +1 more source

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