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Diminished retinal microcirculation in mild preeclampsia without obvious retinopathy in high-altitude native Tibetans by OCTA
Published 2024-12-01“…Background: To investigate the retinal microcirculation in mild preeclampsia (PE) without obvious retinopathy in high-altitude native Tibetans by optical coherence tomography angiography (OCTA). Methods: This study enrolled 64 mild preeclamptic pregnant women without retinopathy (group PPW), 63 healthy pregnant women (group HPW), and 61 healthy non-pregnant women (group HNPW). …”
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2823
Effect of thickness on irradiance loss and temperature rise in indirect restorative materials: an in vitro study
Published 2025-05-01“…Methods The irradiance loss, absorbance, and absorbance coefficient values of three indirect restorative materials (VBM, GRA, and VSC) with four different thicknesses (0.5, 1.0, 1.5, and 2.0 mm) were analyzed. …”
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2824
Data enhanced iterative few-sample learning algorithm-based inverse design of 2D programmable chiral metamaterials
Published 2022-09-01“…Furthermore, the fast inverse design of multiple shaped metamaterials allows for different light manipulation, demonstrating excellent potentials in applications of optical coding and information processing. …”
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2825
Using of Hypercorrection in Diagnostics and Functional Treatment of Children with Strabismus
Published 2020-09-01“…The control group of children included 151 school-age children with ametropia without strabismus: 110 children with hypermetropia and 41 children with myopia. Optimal optical correction, accommodation and visual acuity were studied under monocular observation conditions and then under bifixation control using a binarimeter at different distances from the eyes (0.5, 1, and 5 m).Results. …”
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2826
Treatment of Dentinal Hypersensitivity by means of Nd:YAP Laser: A Preliminary In Vitro Study
Published 2014-01-01“…The aim of this study is to evaluate the effectiveness of Nd:YAP laser to seal dentinal tubules at different parameters. Material and Methods. 24 caries-free human wisdom impacted molars were used. …”
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2827
Control of blood pressure and blood glucose levels has important clinical significance to the retina
Published 2025-07-01“…Abstract Background To investigate whether blood pressure and blood glucose levels affect retinal microvascular parameters, reflected by density within 300 μm surrounding the avascular area of the fovea (FAZ), also called FD-300. Methods A case series study design was used to include patients with essential hypertension and/or type 2 diabetes who were hospitalized in the Department of Geriatrics, Beijing Tongren Hospital, from January 2023 to January 2024. …”
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2828
SURGERY FOR TUMORS OF THE FOURTH VENTRICLE: THE CHARACTERISTICS OF ACCESSES AND THE ROLE OF ENDOSCOPIC TECHNIQUES
Published 2015-04-01“…The benefits of endoscopic techniques are to early examine the vulnerable vascular and neural structures blocked by a tumor at the access step; to reduce the volume of an access itself and the traction of cerebellar and truncal structures; to completely survey the Sylvian aqueduct without additionally displacing or dissecting the vermis cerebelli; to maintain optical sharpness within sight of differently remote microstructures. …”
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2829
REFLECTION SPECTRA OF SKIN IN VITILIGO
Published 2013-06-01“…Lack of clear understanding of pathogenic disease processes justifies the difficulty of choosing efficient treatment methods. Repigmentation is slow and not always complete. …”
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2830
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2831
A Visualization of Ultrasonic Beam from a Medical Transducer using a Combination of Background-Oriented Schlieren Imaging with Hilbert Transformation
Published 2025-08-01“…In this paper, an optical method called background-oriented schlieren imaging (BOSI) has been developed as an alternative. …”
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2832
Identification of GRAS Gene Family in Paper Mulberry and Analysis of Its Expression in Stem Development
Published 2024-12-01“…【Method】HMM was used to identify GRAS family genes in the whole genome of paper mulberry, and the expression patterns of GRAS genes in paper mulberry stem tissues (T1-T3) with different lignification degrees were analyzed through bioinformatics methods and RNA-Seq data.…”
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2833
Unveiling large-scale velocity characteristics of rock glaciers in the Tibet-Pamir-Karakoram region using InSAR
Published 2025-08-01“…Previous studies have measured rock glacier velocities using field-based terrestrial geodetic surveys, repeat photogrammetry, and Interferometric Synthetic Aperture Radar (InSAR). However, these methods have typically been confined to local regions, leaving the large-scale velocity characteristics underexplored. …”
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2834
Vascular retinal biomarkers improves the detection of the likely cerebral amyloid status from hyperspectral retinal images
Published 2019-01-01“…Arteriolar diameter of Aβ+ subjects was found to be higher than the Aβ− subjects in a zone adjacent to the optical nerve head. Furthermore, a significant difference between texture measures built over retinal arterioles and their adjacent regions were observed in Aβ+ subjects when compared with the Aβ−. …”
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2835
The role of diffuse correlation spectroscopy and frequency-domain near-infrared spectroscopy in monitoring cerebral hemodynamics during hypothermic circulatory arrestsCentral Messa...
Published 2021-06-01“…Objectives: Real-time noninvasive monitoring of cerebral blood flow (CBF) during surgery is key to reducing mortality rates associated with adult cardiac surgeries requiring hypothermic circulatory arrest (HCA). We explored a method to monitor cerebral blood flow during different brain protection techniques using diffuse correlation spectroscopy (DCS), a noninvasive optical technique which, combined with frequency-domain near-infrared spectroscopy (FDNIRS), also provides a measure of oxygen metabolism. …”
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2836
A Camera-Embedded Self-Adaptable Finger With Multi-Modal Sensing Capabilities for Robotic Manipulation
Published 2025-01-01“…We combined two algorithms: an optical flow-based method for reliably detecting slip events and a Convolutional Neural Network (CNN) for force, displacement estimation, and position classification. …”
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2837
Impact of Topical Nepafenac on Macular Thickness after Phacoemulsification with Intraocular Lens Implantation in Patients without Diabetic Retinopathy
Published 2023-01-01“…Place & Duration of Study: Ophthalmology Department/Lahore General Hospital, Lahore from 15-01-2019 to 31-12-2021. Materials & Methods: Diabetic patients without retinopathy who required cataract surgery for visual rehabilitation were included in the study. …”
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2838
Finishing and polishing effects of multiblade burs on the surface texture of 5 resin composites: microhardness and roughness testing
Published 2019-02-01“…Roughness was analysed with an optical profilometer, microhardness was tested with a Vickers indenter, and the surfaces were examined by optical and scanning electron microscopy. …”
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2839
Crowd Density Estimation via Global Crowd Collectiveness Metric
Published 2024-10-01“…Drone-captured crowd videos have become increasingly prevalent in various applications in recent years, including crowd density estimation via measuring crowd collectiveness. Traditional methods often measure local differences in motion directions among individuals and scarcely handle the challenge brought by the changing illumination of scenarios. …”
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Characterization of epiretinalmacrophage-like cells and retinochoroidal blood flow in acute macular neuroretinopathy
Published 2025-06-01“…The MLCs were binarized and quantified using a semiautomated method. Optical coherence tomography angiography (OCTA) was used to evaluate the perfusion status and obtain the structural data of macular within a 6 x 6 mm2 macular region. …”
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