Search alternatives:
optical » optimal (Expand Search)
method » methods (Expand Search)
Showing 821 - 840 results of 3,725 for search 'optical different method', query time: 0.19s Refine Results
  1. 821

    Diagnostic Value of Systematic Imaging Examination in Embedded Optic Disc Drusen in Adolescents with Mild Visual Impairment by Xiuhua Jia, Tiancheng Bao, Shasha Wang, Ting Jiang, Zhijian Zhong, Yanling Zhang, Qigen Li, Xiang Zhu

    Published 2020-01-01
    “…Methods. Eleven patients were evaluated through optometric examination, fundus photography, visual field inspection, optical coherence tomography (OCT), ultrasonography (US), and fundus fluorescein angiography (FFA). …”
    Get full text
    Article
  2. 822

    Characteristics of the fundus and optical coherence tomography angiography metrics in myopic patients with myelinated retinal nerve fibers by Weiming Yang, Ruoyan Wei, Chi Zhang, Chen Huang, Feng Lin, Yang Shen, Chenhao Yang, Xingtao Zhou, Meiyan Li

    Published 2024-10-01
    “…Methods The single-center case-control study included 15 patients with monocular MRNF and 15 patients without MRNF, matched for age, affected eyes’ spherical equivalent error (SER), and axial length (AL) between May 2021 and December 2021. …”
    Get full text
    Article
  3. 823

    Comprehensive workflow with optical navigation in minimally invasive transforaminal lumbar interbody fusion: a retrospective study by Kangheng Niu, Zhenzhen Tao, Le Cheng, Zhong Wei, Hui Kang, Tanjun Wei, Biwang Huang, Feng Xu, Chengjie Xiong

    Published 2025-07-01
    “…Methods A retrospective analysis was conducted on 90 patients who underwent single-level lumbar fusion between December 2021 and April 2023. …”
    Get full text
    Article
  4. 824
  5. 825
  6. 826
  7. 827
  8. 828

    Optic Disc, Macula, and Retinal Nerve Fiber Layer Measurements Obtained by OCT in Thyroid-Associated Ophthalmopathy by Osman Sayın, Volkan Yeter, Nurşen Arıtürk

    Published 2016-01-01
    “…To compare the measurements of retinal nerve fiber layer (RNFL), macula and optic disc parameters obtained by optical coherence tomography (OCT), and intraocular pressure (IOP) between the patients with thyroid-associated ophthalmopathy (TAO) and healthy controls. …”
    Get full text
    Article
  9. 829

    Alterations in ganglion cell and nerve fiber layer in Leber hereditary optic neuropathy across clinical stages by Michael Oeverhaus, Mareile Knetsch, Ying Chen, Leyla Jabbarli, Carmen Nolden, Anja Eckstein, Nikolaos E. Bechrakis, Philipp Rating

    Published 2025-04-01
    “…This study focused on evaluating the clinical characteristics of patients with differing LHON stages, with a specific emphasis on optical coherence tomography (OCT) imaging results. …”
    Get full text
    Article
  10. 830

    MICROPERIMETRY AND MORPHOMETRIC PARAMETERS OF OPTIC NERVE HEAD AND MACULAR AREA IN PATIENTS WITH PRIMARY OPEN ANGLE GLAUCOMA by B. M. Aznabaev, A. Sh. Zagidullina, A. A. Alexandrov

    Published 2017-12-01
    “…In addition to the standard ophthalmologic examination, the special methods included: optical coherence tomography (OCT) of the posterior segment of the eye (Optovue Avanti RTVue XR, USA) and microperimetry (Macular Integrity Assessment (MAIA), USA). …”
    Get full text
    Article
  11. 831

    Retinal Vessel Oxygen Saturation in Patients with Unilateral Edema of the Optic Nerve Head: A Pilot Study by Březík M, Matušková V, Vysloužilová D, Šín M, Chovancová V, Sičová K, Jankaničová N, Chrapek O

    Published 2025-07-01
    “…The median of the A-V difference was 51.92 (IQR 15.96) in the papilledema group, resp. 38.49 (IQR 9.75) in the control group and a significant increase in the papilledema group (p< 0.001) was reported.Conclusion: Automatic retinal oximetry demonstrated changes in the retinal microcirculation in patients with optic disc edema.Keywords: retina, oximetry, papilledema, microcirculation…”
    Get full text
    Article
  12. 832

    Statistical characteristics of optical vortices and integral parameters of laser radiation on a wireless power transmission path by Feodor Yu. Kanev, Nailia A. Makenova, Igor D. Veretekhin

    Published 2024-09-01
    “…The solution of the set tasks was implemented based on the methods of numerical experiment. For the analysis in the plane of observation optical vortices, appeared during propagation, and radiation integral characteristics, such as the focusing criterion (power within a given aperture), energy radius and shift of the beam center, were recorded. …”
    Get full text
    Article
  13. 833

    Ultrasound Shear Wave Elastography and Transient Optical Coherence Elastography: Side-by-Side Comparison of Repeatability and Accuracy by Justin R. Rippy, Manmohan Singh, Salavat R. Aglyamov, Kirill V. Larin

    Published 2021-01-01
    “…<italic>Objective:</italic> We compare the repeatability and accuracy of ultrasound shear wave elastography (USE) and transient optical coherence elastography (OCE). <italic>Methods:</italic> Elastic wave speed in gelatin phantoms and chicken breast was measured with USE and OCE and compared with uniaxial mechanical compression testing. …”
    Get full text
    Article
  14. 834
  15. 835

    Assessment of retinal blood flow changes in early Parkinson’s disease: An optical coherence tomography angiography study by Serhat Eker, Yalcin Karakucuk, Haluk Gumus, Sevde Tekneci, Ugur Acar

    Published 2025-06-01
    “…Background: To evaluate retinal microvasculature and choroidal thickness in patients with Parkinson’s disease (PD) with optical coherence tomography angiography (OCTA). Materials and Methods: Forty-one eyes from 41 patients diagnosed with PD and 41 eyes of 41 healthy subjects underwent retinal and choroidal assessment using swept source DRI Triton OCT (Topcon, Tokyo, Japan). …”
    Get full text
    Article
  16. 836

    OS-PCMM: Automatic Registration Algorithm for Optical and SAR Image Based on Phase Congruency and Multimoment Feature by Yuan Liang, Tao Su, Ruiqiu Wang, Jiangtao Liu

    Published 2025-01-01
    “…Optical-SAR image registration has wide applications in change detection and disaster early warning. …”
    Get full text
    Article
  17. 837

    Devastating natural hazard observation with the combination of optical and microwave remote sensing datasets, Valencia 2025 flood by H. B. Makineci

    Published 2025-05-01
    “…Furthermore, assessments based on the Normalized Difference Water Index (NDWI) further illustrate the limitations associated with optical methods in flood mapping, thereby reinforcing the indispensable role of SAR in crisis management.…”
    Get full text
    Article
  18. 838

    Assessment of retinal microvascular changes in patients with systemic lupus erythematosus using optical coherence tomography angiography by Ahmed Ibrahim Basiony, Sameh Mohamed Elgouhary, Hadeer Elbasuony Mohamed, Enas Sobhy Zahran

    Published 2025-05-01
    “…Previously, this was confirmed by employing traditional fundus examination, optical coherence tomography, and high-resolution color electroretinography. …”
    Get full text
    Article
  19. 839

    Diagnostic Ability and Capacity of Optical Coherence Tomography-Angiography to Detect Retinal and Vascular Changes in Patients with Fibromyalgia by Elena Garcia-Martin, Alvaro Tello, Elisa Vilades, Javier Perez-Velilla, Beatriz Cordon, Diego Fernandez-Velasco, Javier Garcia-Campayo, Marta Puebla-Guedea, Maria Satue

    Published 2022-01-01
    “…To evaluate the neuroretina and retinal vasculature of fibromyalgia (FM) patients and calculate a linear discriminant function (LDF) to improve retinal parameters’ contribution to FM diagnosis. Methods. Fifty FM patients and 232 healthy controls underwent retinal evaluation using swept-source optical coherence tomography (SS-OCT) angiography (Triton plus; Topcon) and spectral domain OCT (SD-OCT) (Spectralis; Heidelberg). …”
    Get full text
    Article
  20. 840

    Changes in Retinal Vasculature and Thickness after Small Incision Lenticule Extraction with Optical Coherence Tomography Angiography by Minjie Chen, Jinhui Dai, Lan Gong

    Published 2019-01-01
    “…No statistically significant differences between preoperative and postoperative retinal thickness were detected for the area of macula and optic nerve (all p>0.5). …”
    Get full text
    Article