Showing 181 - 200 results of 4,366 for search '"optics"', query time: 0.07s Refine Results
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    Analysis of the Relationship of Video Text and Urban Image Communication Based on the Calculation Method of Wedge Diffraction in Geometrical Optics by Qi Sun

    Published 2022-01-01
    “…Based on the calculation method of wedge diffraction in geometrical optics, various heuristic uniform diffraction formulas of lossy wedge are compared and analyzed, and a better heuristic formula of uniform diffraction of lossy wedge is given. …”
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    Assessment of photoreceptor recovery and visual function utilizing adaptive optics and microperimetry in patients with surgically closed macular holes by Yuanyuan Liu, Xueli Yang, Wei Zhou, Jinguo Yu, Song Chen, Tiangeng He, Caiyun You, Xiangda Meng, Mengyu Liao, Yi Lei, Hua Yan

    Published 2025-02-01
    “…Background: This study investigated the association between photoreceptor structural restoration and visual function outcomes in patients undergoing surgery for closed macular holes (MHs). Using adaptive optics scanning laser ophthalmoscopy (AOSLO) and microperimetry, we aimed to provide a more detailed understanding of photoreceptor recovery and visual improvement in closed MHs. …”
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    Chemical Etching, AFM, Laser Damage Threshold, and Nonlinear Optical Studies of Potential Nonlinear Optical Crystal: Bis (L-Glutamine) Potassium Nitrate by Redrothu Hanumantharao, S. Kalainathan

    Published 2013-01-01
    “…A novel semiorganic nonlinear optical crystal bis (L-glutamine) potassium nitrate (BGPN) grown by slow evaporation technique at ambient temperature. …”
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    Peripapillary retinal nerve fibre layer thinning, perfusion changes and optic neuropathy in carriers of Leber hereditary optic neuropathy-associated mitochondrial variants by Paul F Kenna, Kirk A J Stephenson, Lorraine Cassidy, Clare Quigley

    Published 2024-05-01
    “…Background We investigated Leber hereditary optic neuropathy (LHON) families for variation in peripapillary retinal nerve fibre layer thickness and perfusion, and associated optic nerve dysfunction.Method A group of LHON-affected patients (n=12) and their asymptomatic maternal relatives (n=16) underwent examination including visual acuity (VA), visual-evoked-potential and optic nerve imaging including optical coherence tomography (OCT) and OCT angiography of the peripapillary retinal nerve fibre layer (RNFL). …”
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  11. 191

    Comparison between a New Optical Biometry Device and an Anterior Segment Optical Coherence Tomographer for Measuring Central Corneal Thickness and Anterior Chamber Depth by Jinhai Huang, Weicong Lu, Giacomo Savini, Hao Chen, Chengfang Wang, Xinxin Yu, Fangjun Bao, Qinmei Wang

    Published 2016-01-01
    “…To compare between a new optical biometer (AL-Scan, Nidek Co., Aichi, Japan) and an anterior segment optical coherence tomographer (Visante AS-OCT, Carl Zeiss Meditec, Dublin, USA) for measuring central corneal thickness (CCT), anterior chamber depth (ACD), and aqueous depth (AD). …”
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  12. 192

    The Different Characteristics of Cirrus Optical Coherence Tomography between Superior Segmental Optic Hypoplasia and Normal Tension Glaucoma with Superior Retinal Nerve Fiber Defect by Jong Chul Han, Da Ye Choi, Changwon Kee

    Published 2015-01-01
    “…To evaluate the different characteristics in superior segmental optic hypoplasia (SSOH) and normal tension glaucoma (NTG) with superior retinal nerve fiber layer (RNFL) defect (NTG-SRD) compared to normal control using cirrus optical coherence tomography (OCT). …”
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  13. 193

    Investigate on surface/subsurface damage mechanisms and manufacturability of ultra-smooth surface in ultra-precision ductile grinding of sapphire optics by Sheng Wang, Qinghe Zhang, Qingliang Zhao, Ming Zhou

    Published 2025-01-01
    “…Ultimately, a sapphire planar optics with sub-nanoscale surface roughness, smooth ductile grinding surface and ductile subsurface were achieved.…”
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    Parallel Processor for 3D Recovery from Optical Flow by Jose Hugo Barron-Zambrano, Fernando Martin del Campo-Ramirez, Miguel Arias-Estrada

    Published 2009-01-01
    “…This paper proposes a parallel processor for 3D recovery from optical flow. Its main feature is the maximum reuse of data and the low number of clock cycles to calculate the optical flow, along with the precision with which 3D recovery is achieved. …”
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  16. 196

    Method of Measuring the Efficiency of the Conversion of Nuclear Energy into Optical Energy by Erlan G. Batyrbekov, Yuriy N. Gordienko, Mendykhan U. Khasenov, Yuriy V. Ponkratov

    Published 2015-01-01
    “…A method of measuring the efficiency of converting nuclear energy into optical energy was developed based on correlations between intensities of the research line and the nitrogen second positive system in an Ar-N2 mixture. …”
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    Low-Power Optically Controlled Patch Antenna of Reconfigurable Beams by Deshuang Zhao, Yifei Han, Feng Liang, Qiaoli Zhang, Bing-Zhong Wang

    Published 2014-01-01
    “…A silicon dice is employed as the photoconductive switch that is bridged across the slot center for optical control of reconfigurable beams. The antenna greatly reduces the total optical powers required for reconfigurable beams. …”
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