云南高校图书馆联盟文献共享服务平台- PHOTOREFRACTION

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Ocular image-based deep learning for predicting refractive error:A systematic review: 《Advances in Ophthalmology Practice and Research》2024年第3期164-172,共9页Samantha Min Er Yew Yibing Chen Jocelyn Hui Lin Goh David Ziyou Chen Marcus Chun Jin Tan Ching-Yu Cheng Victor Teck Chang Koh Yih Chung Tham; ackground:Uncorrected refractive error is a major cause of vision impairment worldwide and its increasing prevalent necessitates effective screening and management strategies.Meanwhile,deep learning,a subset of Artifi...; 关键词：Deep Learning Artificial Intelligence Refractive Error Retinal images OPTICAL Coherence Tomography PHOTOREFRACTION Ocular images PREDICTION

Role of microfluctuations in accommodation: a novel approach to reduce non-accommodative noise: 《International Journal of Ophthalmology(English edition)》2019年第4期681-684,共4页Núria Lupón Joan Gispets Genis Cardona Alba Tàpia Hector Abril; Accommodative response and its possible role in myopia development has been explored through the study of the microfluctuations(MFs) of accommodation, which are commonly divided in high(1.0 to 2.3 Hz) and low(0.1 to 0...; 关键词：ACCOMMODATION CYCLOPLEGIA microfluctuations MYOPIA PHOTOREFRACTION

Phase and direction dependence of photorefraction in a low-frequency strong circular-polarized plane wave: 《Chinese Physics B》2015年第5期335-339,共5页黄永盛王乃彦汤秀章; supported by the National Basic Research Program of China(Grant No.2011CB808104);the National Natural Science Foundation of China(Grant No.11105233); Contrary to the superposition principle, it is well known that photorefraction exists in the vacuum with the presence of a strong static field, a laser field, or a rotational magnetic field. Different from the classic...; 关键词：phase and direction dependence circular-polarized plane wave refractive index polarization evolution

Comparison of non-cycloplegic photorefraction,cycloplegic photorefraction and cycloplegic retinoscopy in children被引量：7: 《International Journal of Ophthalmology(English edition)》2015年第1期128-131,共4页Ozdemir Ozdemir Zuhal Ozen Tunay Ikbal Seza Petricli Damla Ergintürk Acar Muhammet Kazim Erol; AIM: To compare the results of noncycloplegic photorefraction, cycloplegic photorefraction and cycloplegic refraction in preschool and non-verbal children.METHODS: One hundred and ninety-six eyes of 98children(50 fema...; 关键词：CYCLOPENTOLATE CYCLOPLEGIA PHOTOREFRACTION photoretinoscopy Plusoptix RETINOSCOPY refraction

Nonvolatile photorefractive properties in triply doped stoichiometric Mg:Fe:Mn:LiTaO_3 crystals被引量：2: 《Chinese Physics B》2014年第1期245-249,共5页孙婷张晓东孙亮王锐; Project supported by the National Natural Science Foundation of China （Grant No. 51202045）, the Postdoctoral Science Foundation of Heilongjiang Province, China, and the Fundamental Research Funds for the Central Universities of Ministry of Education of China （Grant No. HIT. NSRIF. 2013004）.; We have grown triply doped Mg:Fe:Mn:LiTaO3 crystals with near stoichiometry using the top seeded solution growth technique. The defect structure was investigated by infrared absorption spectra and Curie temperature. U...; 关键词：photorefractive material LiTaO3crystal nonvolatile holography blue photorefraction

Selective Photorefractive Light Scattering in Rh-Doped LiNbO<sub>3</sub>Crystals: 《Optics and Photonics Journal》2013年第1期8-12,共5页Vitaliy Maximenko Victor Krishtop; The photorefractive properties of lithium niobate crystals depend strongly on the kind of doping admixture. Study of LiNbO3 crystals with various doping admixtures using photorefractive light scattering allows insight...; 关键词：PHOTOREFRACTION Light Scattering Lithium NIOBATE Four-Wave Interaction

The dielectric behaviour of doped near-stoichiometric lithium niobate in the terahertz range: 《Chinese Physics B》2012年第1期476-481,共6页Wu Liang Ling Fu-Ri Zuo Zhi-Gao Liu Jin-Song Yao Jian-Quan; Project supported by the National Natural Science Foundation of China(Grant No.10974063);the Research Foundation of Wuhan National Laboratory,China(Grant No.P080008);the National Basic Research Program of China(Grant No.2007CB310403); The dielectric properties of near-stoichiometric LiNbO3：Fe and LiNbO3：Ce single crystals have been investigated using terahertz time domain spectroscopy in a frequency range of 0.71.6 THz at room temperature. When c...; 关键词：near-stoichiometric LiNbO3 TERAHERTZ PHOTOREFRACTION domain reversal

Analysis of eccentric photorefraction by Fourier optics: 《Chinese Optics Letters》2007年第3期146-148,共3页刘勇陈家璧; This work was supported by the National Basic Research Program of China (No. 2005CB724304); the Optical Science and Technology Program of Science and Technology Committee of Shanghai (No. 046105014);the Youth Program of Zhaoqing University (No. 0303).; Eccentric photorefraction usually is used as early eyesight diagnostic test of infants and small children. Unlike currently approved geometrical optical model of eccentric photorefractometer, the crescent formation an...; 关键词：DIAGNOSIS Fourier optics Geometrical optics Optical variables measurement

Photorefraction Resistance of Na_(2)O-Doped Lithium Niobate Single Crystals: 《Chinese Physics Letters》1997年第8期629-632,共4页KONG Yong-fa WEN Jin-ke YANG Zheng-fang; Na_(2)O-doped(up to 3mol%Na in the melt)LiNbO_(3) crystals have been grown by the Czochraski method.The experimental results show that Na_(2)O dopants can increase the ability of LiNbO_(3) to resist light-induced opti...; 关键词：method. REFRACTION latter

Study on the Photorefraction Effect of Ce:Mn:LN Crystal: 《Chinese Science Bulletin》1993年第7期563-567,共5页李铭华赵业权徐玉恒王君策张景文孙光耀高元凯; Project supported by the National Natural Science Foundation of China; 1 Introduction Lithium niobate crystal (LN) has photoelectric effect and nonlinear optic effect, whose properties may be improved by doping impure ions. The study on the Fe: LN crystal was developed early and the holo...; 关键词：Ce: Mn: LN CRYSTAL absorption coefficient photorefraction.

PHOTOREFRACTION