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Comparison of the PlusoptiX A16 and vision screener V100 [PDF]

open access: yesFrontiers in Ophthalmology
Clinical relevanceThis study compares a novel photoscreening device with a previously validated one in a school-age population. It highlights a tendency of the new device to underestimate myopic spherical equivalent and overestimate hyperopic cases ...
Jorge Jorge, Paulo Fernandes
doaj   +2 more sources

Measurement Accuracy When Using Spot Vision Screener With or Without Cycloplegia in Young Adults [PDF]

open access: yesClinical Ophthalmology, 2023
Shunya Tatara,1,2 Fumiatsu Maeda,1,3 Hokuto Ubukata,1 Yuko Shiga,1 Kiyoshi Yaoeda3– 5 1Department of Orthoptics and Visual Sciences, Faculty of Medical Technology, Niigata University of Health and Welfare, Niigata, Japan; 2Department of Vision Science ...
Tatara S   +4 more
doaj   +2 more sources

Deep learning for predicting refractive error from multiple photorefraction images [PDF]

open access: yesBioMedical Engineering OnLine, 2022
Background Refractive error detection is a significant factor in preventing the development of myopia. To improve the efficiency and accuracy of refractive error detection, a refractive error detection network (REDNet) is proposed that combines the ...
Daoliang Xu   +6 more
doaj   +2 more sources

Hacking continuous-variable quantum key distribution using the photorefractive effect on proton-exchanged/annealed-proton-exchanged waveguide [PDF]

open access: yesScientific Reports
Lithium niobate materials, which have the potential to fabricate lasers, modulation devices, and photodetectors, are widely used in quantum information processing due to their exceptional optical and electro-optical properties.
Ningyi Mao   +5 more
doaj   +2 more sources

Automatic Refractive Error Estimation Using Deep Learning-Based Analysis of Red Reflex Images [PDF]

open access: yesDiagnostics, 2023
Purpose/Background: We evaluate how a deep learning model can be applied to extract refractive error metrics from pupillary red reflex images taken by a low-cost handheld fundus camera.
Glenn Linde   +7 more
doaj   +2 more sources

Post-GWAS screening of candidate genes for refractive error in mutant zebrafish models [PDF]

open access: yesScientific Reports, 2023
Genome-wide association studies (GWAS) have dissected numerous genetic factors underlying refractive errors (RE) such as myopia. Despite significant insights into understanding the genetic architecture of RE, few studies have validated and explored the ...
Wim H. Quint   +7 more
doaj   +2 more sources

Photorefraction Simulates Well the Plasticity of Neural Synaptic Connections [PDF]

open access: yesBiomimetics
In recent years, the need for systems capable of achieving the dynamic learning and information storage efficiency of the biological brain has led to the emergence of neuromorphic research.
Alessandro Bile   +4 more
doaj   +2 more sources

Comparison of photorefraction by Plusoptix A12 and cycloplegic autorefraction in children [PDF]

open access: yesBMC Ophthalmology
Background Plusoptix photoscreeners are capable of measuring refractive errors of children from 1 meter distance, without cyloplegia. We aimed to compare refractive data obtained from the newest version of Plusoptix (model 12) with cycloplegic ...
Hadi Ghadimi   +2 more
doaj   +2 more sources

Photorefraction Screening Plus Atropine Treatment for Myopia is Cost-Effective: A Proof-of-Concept Markov Analysis [PDF]

open access: yesClinical Ophthalmology, 2022
Chuen Yen Hong,1 Matt Boyd,2 Graham Wilson,3 Sheng Chiong Hong4 1Dunedin School of Medicine, University of Otago, Dunedin, New Zealand; 2Adapt Research Ltd, Reefton, New Zealand; 3Matai Medical Research Institute, Gisborne, New Zealand; 4oDocs Eye Care ...
Hong CY, Boyd M, Wilson G, Hong SC
doaj   +2 more sources

Efficient and tunable frequency conversion using periodically poled thin-film lithium tantalate nanowaveguides [PDF]

open access: yesNanophotonics
Thin-film lithium tantalate (TFLT) has recently emerged as a promising photonic platform for chip-scale nonlinear optics due to its weaker photorefraction, higher optical damage threshold, broader transparency window, and lower birefringence compared to ...
Yu Simin   +7 more
doaj   +2 more sources

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