1. Articles from Yan Liu

    1-2 of 2
    1. Comparison of choroidal thickness in high myopic eyes after FS-LASIK versus implantable collamer lens implantation with swept-source optical coherence tomography

      Comparison of choroidal thickness in high myopic eyes after FS-LASIK versus implantable collamer lens implantation with swept-source optical coherence tomography

      AIM : To investigate the changes in choroidal thickness (CT) in high myopic eyes after femtosecond laser-assisted in situ keratomileusis (FS-LASIK) surgery or central hole implantable collamer lens (ICL V4c) implantation using swept-source optical coherence tomography (SS-OCT). METHODS : We examined the right eyes of 116 patients with high myopia who were candidates for FS-LASIK surgery and ICL implantation. Sixty eyes underwent ICL V4c implantation and 56 eyes were subjected to FS-LASIK surgery. The CT was measured with SS-OCT. All data were recorded preoperatively and 2h, 1wk, 1 and 3mo postoperatively. Other demographic information was collected, including age, sex, uncorrected visual acuity ...

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    2. Quantitative evaluation of scattering in optical coherence tomography skin images using the extended Huygens–Fresnel theorem

      Quantitative evaluation of scattering in optical coherence tomography skin images using the extended Huygens–Fresnel theorem

      An optical properties extraction algorithm is developed based on enhanced Huygens–Fresnel light propagation theorem, to extract the scattering coefficient of a specific region in an optical coherence tomography (OCT) image. The aim is to quantitatively analyze the OCT images. The algorithm is evaluated using a set of phantoms with different concentrations of scatterers, designed based on Mie theory. The algorithm is then used to analyze basal cell carcinoma and healthy eyelid tissues, demonstrating distinguishable differences in the scattering coefficient between these tissues. In this study, we have taken advantage of the simplification introduced by the utilization of a dynamic ...

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    1-2 of 2
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  2. Topics in the News

    1. (1 articles) Washington University in St. Louis
    2. (1 articles) University of Kent
    3. (1 articles) Shanghai Jiao Tong University
    4. (1 articles) Adrian G. Podoleanu
    5. (1 articles) Institute of Applied Physics
    6. (1 articles) Grigory V. Gelikonov
    7. (1 articles) Gereon Hüttmann
    8. (1 articles) Hendrik Spahr
    9. (1 articles) Xincheng Yao
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    11. (1 articles) Carl Zeiss Meditec
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