Background And Objective: A computational model has predicted parameters for using a navigated microsecond pulsing laser system to treat central serous chorioretinopathy (CSC).
Patients And Methods: A prospective, single-center, interventional case series was conducted for patients with acute CSC who were enrolled following screening and informed consent. Treatment involved laser pulse duration of 50 μs, 2.4% Duty Cycle, 100 μm spot size, and 10 ms pulse duration.
Results: Average best-corrected visual acuity (decimal) of 12 patients improved from 0.86 ± 0.03 at baseline to 0.97 ± 0.01 at 3 months. Baseline central retinal thickness decreased from 452.58 μm ± 24.53 μm at baseline to 249.25 μm ± 2.92 μm at 3 months. Retinal sensitivity improved from 24.1 dB ± 1.09 dB at baseline to 28.98 dB ± 0.23 dB at 3 months. In all cases, subretinal fluid was resorbed.
Conclusion: The parameter sets derived from the computer model can be applied safely and effectively for CSC treatment using the navigated microsecond pulsing laser system. [Ophthalmic Surg Lasers Imaging Retina. 2020;51:512-520.].
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http://dx.doi.org/10.3928/23258160-20200831-06 | DOI Listing |
Event-based cameras offer unique advantages over traditional cameras, such as high dynamic range, absence of motion blur, and microsecond-level latency. This paper introduces an innovative approach to visual odometry, to our knowledge, by integrating the newly proposed Rotated Binary DART (RBD) descriptor within a Visual-Inertial Navigation System (VINS)-based event visual odometry framework. Our method leverages event optical flow and RBD for precise feature selection and matching, ensuring robust performance in dynamic environments.
View Article and Find Full Text PDFCurr Eye Res
October 2024
UPMC Eye Center, University of Pittsburgh, Pittsburgh, PA, USA.
Purpose: To analyze the efficacy and safety of microsecond pulsing laser therapy (MLT) in the management of central serous chorioretinopathy (CSCR) complicated by choroidal neovascularization (CNV).
Methods: Patients with CSCR complicated by CNV defined as the presence of characteristic OCT angiography features were randomly assigned to either study or control group. All patients of the study group underwent MLT targeting CNV area using navigated laser system followed by at least 6-month follow-up.
Klin Monbl Augenheilkd
November 2024
Department of Ophthalmology, Eye Clinic, Justus Liebig University, University Hospital Giessen and Marburg, Campus Giessen, Giessen, Germany.
Laser treatment has been a mainstay for management of central serous chorioretinopathy for a few decades. Different types of lasers have been used and non-damaging retinal laser is the most recent option. The aim of this review is to provide an update on this form of treatment, based on the research published during last 5 years, in comparison with earlier studies published.
View Article and Find Full Text PDFEur J Mass Spectrom (Chichester)
June 2024
Shanghai Haishan Intelligent Instrument Co., LTD, Shanghai, China.
This paper presents a newly developed high-performance mobile single-photon ionization time-of-flight mass spectrometry (M-SPI-TOFMS) system for on-line analysis and stereoscopic monitoring of complex gas mixtures. The system is designed for stereoscopic imaging to map the distribution of volatile organic compounds (VOCs) and trace their emission sources in urban areas and industrial parks. It mainly consists of a SPI-TOFMS instrument, a customized commercial vehicle, a meteorological five-parameter monitor with GPS, a high-power generator, and an uninterruptible power supply.
View Article and Find Full Text PDFJ Chem Phys
February 2024
Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United Kingdom.
Electron spin relaxation is, on many occasions, considered an elephant in the room that challenges the idea of a radical-pair compass, a leading hypothesis for the navigation of migratory avian species. It has been widely recognized that an effective radical-pair magnetoreceptor requires a relaxation time that is long enough for an external magnetic field as weak as the geomagnetic field to significantly modify the coherent spin dynamics. However, previous studies proposed that certain spin relaxation, far quicker than the radical recombination reactions, could enhance, rather than degrade, the directional sensitivity of a radical-pair magnetoreceptor.
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