REFRACTION

作品数:220被引量:381H指数:10
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Relationship between objective and subjective refraction measurements in patients with mild keratoconus
《International Journal of Ophthalmology(English edition)》2025年第3期398-403,共6页Masoud Khorrami-Nejad Ahmed Kamil Dakhil Hesam Hashemian Masoud Sadeghi Reza Yousefi Foroozan Narooie-Noori 
AIM:To compare objective dry retinoscopy and subjective refraction measurements in patients with mild keratoconus(KCN)and quantify any differences.METHODS:This cross-sectional study was done on 68 eyes of 68 patients ...
关键词:KERATOCONUS objective refraction subjective refraction 
Accurate manipulation of anthropomorphic robotic arm based on 3D human eye gazing with posture error compensation
《Science China(Technological Sciences)》2025年第2期178-198,共21页Quanlin LI Xianzong WANG Jiaji MA Qianjun HUANG Qizhi JIANG Wenbin CHEN Caihua XIONG 
supported by the National Natural Science Foundation of China(Grant Nos.52027806,52435005,92248304,52075191).
As humans and robots work closer together than ever,anthropomorphic robotic arms with intuitive human-robot interaction interfaces have drawn massive attention to improving the quality of robot-assisted manipulation.I...
关键词:anthropomorphic robotic arm differential joint posture error compensation 3D gaze estimation corneal refraction head-mounted gaze tracker 
High-efficiency wide-angle anomalous refraction with acoustic metagrating
《Chinese Physics B》2025年第1期368-372,共5页Kangyao Sun Yuancheng Fan Zhehao Ye Jiahui Li Quanhong Fu Yali Zeng Fuli Zhang 
Project supported by the National Key Research and Development Program of China(Grant Nos.2023YFB3811400 and 2022YFB3806000);the National Natural Science Foundation of China(Grant No.12074314);the Science and Technology New Star Program of Shaanxi Province,China(Grant No.2023KJXX-148);the Fundamental Research Funds for the Central Universities。
The emergent metagrating,with its unique and flexible beam shaping capabilities,offers new paths to efficient modulation of acoustic waves.In this work,an acoustic metagrating is demonstrated for high-efficiency and w...
关键词:acoustic metagrating beam steering wide-angle anomalous refraction 
Reflection and Refraction at Isotropic and Anisotropic Media in Coordinate-Invariant Treatment
《Journal of Modern Physics》2024年第13期2446-2488,共43页Alfred Wünsche 
The article develops coordinate-invariant methods to calculate reflection and refraction of plane monochromatic waves at the plane boundary between two isotropic and an isotropic and an anisotropic medium. The vectori...
关键词:Refraction and Polarization Vector Projection Operators Operator of Vectorial Wave Equation Hamilton-Cayley Identity Uniaxial Media Negative Refraction 
Incidence of Acute Allergic Conjunctivitis in Workers at the Port of Santos
《Occupational Diseases and Environmental Medicine》2024年第4期265-272,共8页Fernanda Daroz Paulo Colombo-Barboza Elizabeth Barbosa Oliveira-Sales Edgar Maquigussa Guilherme Nôvoa Colombo-Barboza Mirian Aparecida Boim 
Objective: To evaluate the incidence of acute atopic conjunctivitis in the port environment. Methods: This is a descriptive, retrospective study involving 365 worker patients from the Port of Santos and 365 patients n...
关键词:REFRACTION Allergic Conjunctivitis Port Activities 
Refraction difference value variations in children and adolescents with different refractive errors
《International Journal of Ophthalmology(English edition)》2024年第12期2236-2242,共7页Da-Wen Wu Ze-Yi Yang Yan Nie He-Ya Ye Liang Chen Long-Qian Liu Guo-Yuan Yang 
AIM:To evaluate the refraction difference value(RDV)variations in children and adolescents with different refractive errors and analyze its correlation with refractive development.METHODS:Participants aged 4-16y with ...
关键词:multispectral refractive topography refraction difference value degrees of myopia children adolescents 
Broadband nonlinear refraction transients in C-doped GaN based on absorption spectroscopy
《Photonics Research》2024年第10期2334-2343,共10页FANGYUAN SHI YUNFEI LV ZHANPENG CHEN XINGZHI WU ZHENGGUO XIAO ZHONGGUO LI QUANYING WU YINGLIN SONG YU FANG 
National Natural Science Foundation of China(11704273,12374300);Natural Science Foundation of Jiangsu Province(BK20221384);Jiangsu Key Disciplines of the Fourteenth Five-Year Plan(2021135);Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX22_3267);Science and Technology Innovation Team of Guizhou Education Department([2023]094);Science and Technology Foundation of Guizhou Province(ZK[2023]049)。
Optical nonlinear response and its dynamics of wide-bandgap materials are key to realizing integrated nonlinear photonics and photonic circuit applications.However,those applications are severely limited by the unavai...
关键词:REFRACTION ABSORPTION NONLINEAR 
Relative peripheral refraction in school children with different refractive errors using a novel multispectral refraction topographer
《International Journal of Ophthalmology(English edition)》2024年第8期1477-1482,共6页Hui-Ling Hu Serena Zhe-Chuang Li Ai-Ying Feng Hao-Xi Zhong Jing-Feng Mu Mei-Zhou Liu 
Supported by the Shenzhen Science and Technology Program (No.JCYJ20210324142800001).
AIM:To compare relative peripheral refraction(RPR)in Chinese school children with different refractive errors using multispectral refraction topography(MRT).METHODS:A total of 713 eyes of primary school children[172 e...
关键词:relative peripheral refraction MYOPIA school children multispectral refraction topography 
Reconfigurable mechanism-based metamaterials for ternary-coded elastic wave polarizers and programmable refraction control
《Applied Mathematics and Mechanics(English Edition)》2024年第7期1225-1242,共18页Zhou HU Zhibo WEI Yan CHEN Rui ZHU 
supported by the National Key R&D Program of China(No.2021YFE0110900);the National Natural Science Foundation of China(Nos.U22B2078 and 11991033)。
Elastic metamaterials with unusual elastic properties offer unprecedented ways to modulate the polarization and propagation of elastic waves.However,most of them rely on the resonant structural components,and thus are...
关键词:elastic metamaterial elastic wave reconfigurable design zero mode ternary code programmable refraction 
A robust triaxial localization method of AE source using refraction path
《International Journal of Mining Science and Technology》2024年第4期521-530,共10页Yichao Rui Jie Chen Jiongkun Chen Jiadong Qiu Zilong Zhou Wenzhong Wang Jinyang Fan 
the National Natural Science Foundation of China (Nos.52304123 and 52104077);the Postdoctoral Fellowship Program of CPSF (No.GZB20230914);the China Postdoctoral Science Foundation (No.2023M730412);the National Key Research and Development Program for Young Scientists (No.2021YFC2900400)。
Acoustic emission(AE)localization algorithms based on homogeneous media or single-velocity are less accurate when applied to the triaxial localization experiments.To the end,a robust triaxial localization method of AE...
关键词:Acoustic emission(AE) Source localization Robust method Refraction paths Weight estimations 
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