Results 91 to 100 of about 21,205 (281)

Comparative Analysis of the Wave Front Aberrations and Ophthalmoergonomic Parameters after Excimer Laser and Orthokeratological Correction of Myopia in Patients over 35 Years

open access: yesOftalʹmologiâ, 2020
Purpose. Comparative analysis of the wavefront aberrations and ophthalmoergonomic parameters after excimer laser and orthokeratological correction of myopia in patients aged over 35 years.Patients and methods. The study included 21 patients: 12 (24 eyes)
E. P. Tarutta   +5 more
doaj   +1 more source

Optimum Laser Beam Characteristics for Achieving Smoother Ablations in Laser Vision Correction

open access: yesInvestigative Opthalmology & Visual Science, 2017
Controversial opinions exist regarding optimum laser beam characteristics for achieving smoother ablations in laser-based vision correction. The purpose of the study was to outline a rigorous simulation model for simulating shot-by-shot ablation process.
Shwetabh, Verma   +2 more
openaire   +2 more sources

Robot Path Correction Using Stereo Vision System

open access: yes, 2012
This paper discusses the development and integration of a stereo vision system with an industrial robotic arm for welding operations. In order for the effects of lighting and background noise to be overcome, laser diodes are used to highlight the welding
Eytan, A.   +4 more
core   +1 more source

Retina‐Inspired Bi‐Based Terahertz Photonic Neuromorphic Devices

open access: yesAdvanced Science, EarlyView.
Combined with effective band alignment and substrate engineering, bismuth materials are introduced to form terahertz photonic bio‐inspired devices with picosecond short‐term plasticity to enable multi‐scene visual perception. Thus obtained hardware through the terahertz optical neural network (THz‐ONN) demonstrates high recognition accuracy, providing ...
Pujing Zhang   +14 more
wiley   +1 more source

Anesthetic support for laser vision correction in children

open access: yesRussian Journal of Pediatric Surgery
BACKGROUND: Currently, more and more laser surgeries are performed in pediatric ophthalmology. Expansion of indications for laser vision correction in children entails the increase in the number of patients and poses new specific tasks for pediatric anesthesiology. Solution of these problems is currently at the stage of active clinical search. AIM: To
Grigorij E. Roitberg   +7 more
openaire   +1 more source

Engineering Oncolytic Virus‐Armed Macrophages for Enhanced Cancer Immunotherapy

open access: yesAdvanced Science, EarlyView.
ZIFOA‐M is engineered by conjugating oncolytic adenovirus‐loaded ZIF‐8 nanoparticles onto macrophage surfaces via bioorthogonal chemistry. Upon tumor infiltration, the platform releases OA to downregulate CD47/CD24 on tumor cells, restoring macrophage phagocytosis.
Jilong Wang   +10 more
wiley   +1 more source

Estimation of the Corneal Young’s Modulus In Vivo Based on a Fluid-Filled Spherical-Shell Model with Scheimpflug Imaging

open access: yesJournal of Ophthalmology, 2017
Current intraocular pressure (IOP) measurement using air puff could be erroneous without applying proper corrections. Although noncontact tonometry is not considered to be accurate, it is still popularly used by eye clinics.
Po-Jen Shih   +8 more
doaj   +1 more source

Toward Long‐Term Reliable Human‐Machine Interaction: A Flexible, Breathable, and Self‐Powered Pressure Sensor System With Firefighting Validation

open access: yesAdvanced Science, EarlyView.
This work develops a breathable potentiometric self‐powered pressure sensor with good wearability, using a non‐woven fabric substrate and hydrogel electrolyte. The sensor is integrated into a five‐channel smart glove to acquire reliable hand motion signals, which are processed by a CNN for identity verification and smart vehicle control in human ...
Qilong Zhang   +10 more
wiley   +1 more source

Laser vision correction after radial keratotomy: systematic review and meta-analysis

open access: yes
Hyperopic post-RK patients experienced a significant improvement in vision after laser vision correction, whereas no such improvement was observed in myopic post-RK patients.
Pourazizi, M.   +7 more
core   +1 more source

From Label‐Free Multiphoton Imaging to Pathological Reports: A Vision‐Language Breast Cancer Margin Pathological Diagnosis System

open access: yesAdvanced Science, EarlyView.
MarginPath is a novel vision‐language system that automates breast cancer margin assessment using a single label‐free multiphoton microscopy image. By integrating tumor‐associated collagen signatures with virtual H&E imaging, it generates accurate margin heatmaps and comprehensive diagnostic reports.
Shu Wang   +15 more
wiley   +1 more source

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