Results 41 to 50 of about 197,605 (292)

A Depolarizing Leak in Sodium Bicarbonate Cotransporter NBCe1 Causes Brain Edema

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives SLC4A4 encodes electrogenic sodium bicarbonate cotransporter NBCe1, prominently expressed in kidney and brain. Recessive loss‐of‐function variants in SLC4A4 cause proximal renal tubular acidosis, no brain edema. In the brain, NBCe1 is expressed by astrocytes, where it regulates pH and mediates astrocyte volume changes.
Quinty Bisseling, Mark D. Parker, Sven Kerst, Richard A. Pasternack, Jacob Tondreau, Marjolein Breur, Gemma M. van Rooijen‐van Leeuwen, Davide Tonduti, Ettore Salsano, Alejandra Darling, Joanna A. E. van Wijk, Susanna Törnroth‐Horsefield, Marianna Bugiani, Petra J. W. Pouwels, Quinten Waisfisz, Marjo S. van der Knaap, Rogier Min   +16 more
wiley   +1 more source

Repeatability and validity of the PowerRefractor and the Nidek AR600-A in an adult population with healthy eyes [PDF]

, 2003
We assessed the repeatability and validity of the PowerRefractor and the Nidek AR-600A autorefractor. This is the first independent study conducted on adults to evaluate the performance of these instruments in a laboratory setting.
Allen, Peter M., O'Leary, Daniel J., Radhakrishnan, Hema   +2 more
core   +2 more sources

Risk of Retinopathy Associated with Long‐Term Use of Hydroxychloroquine in Patients with Rheumatic Diseases: A Systematic Review and Meta‐Analysis

Arthritis Care &Research, Accepted Article.
Objective We aimed to estimate the prevalence and cumulative incidence of hydroxychloroquine retinopathy (HCQ‐R) and its risk factors among long‐term HCQ users with rheumatic diseases through a systematic review and meta‐analysis of observational studies that used spectral‐domain OCT (SD‐OCT) for screening. Methods A systematic search of PubMed, Scopus,
Narsis Daftarian, Chloe Yue, Steve D Levasseur, Hui Xie, J. Antonio Avina‐Zubieta   +4 more
wiley   +1 more source

Prevalence and associated factors of refractive error among adults in South Ethiopia, a community-based cross-sectional study.

PLoS ONE
IntroductionThe increasing prevalence of refractive error has become a serious health issue that needs serious attention. However, there are few studies regarding the prevalence and associated factors of refractive error at the community level in ...
Marshet Gete Abebe, Abiy Maru Alemayehu, Minychil Bantihun Munaw, Mikias Mered Tilahun, Henok Biruk Alemayehu   +4 more
doaj   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

International Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam, Anthony Siming Chen, Guido Herrmann   +2 more
wiley   +1 more source

Hybrid refractive holographic single vision spectacle lenses

Journal of the European Optical Society-Rapid Publications, 2019
In this contribution, we investigate hybrid single vision spectacle lenses (SVSLs) consisting of holographic optical elements (HOEs) embedded into a refractive lens.
Jannik M. Trapp, Toufic G. Jabbour, Gerhard Kelch, Thomas Pertsch, Manuel Decker   +4 more
doaj   +1 more source

An Adaptive Human Pilot Model With Reaction Time Delay for Enhanced Adaptive Control in Piloted Systems

International Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces an adaptive human pilot model that captures pilot time‐delay effects in adaptive control systems. The model enables the prediction of pilot–controller interactions, facilitating safer integration and improved design of adaptive controllers for piloted applications.
Abdullah Habboush, Yildiray Yildiz
wiley   +1 more source

Evaluation of the Agreement of Advanced Corneal Explorer with Pentacam and Orbscan in Myopic Individuals with Healthy Corneas [PDF]

مجله دانشگاه علوم پزشکی گرگان
Background and Objective: Evaluating the agreement among various corneal imaging devices is crucial due to their varying technologies in diagnosing corneal parameters.
Mohammad-Hosein Validad, Hava Shafiee, Monireh Mahjoob, Tahereh Rakhshandadi, Hadi Ostadimoghaddam, Abbas-Ali Yekta, Javad Heravian Shandiz, Neda Nakhjavanpour, Sara Farsi   +8 more
doaj  

Refractive Error Among School Going Children in Solukhumbu, Nepal

Nepalese Medical Journal, 2020
Introduction: Reduced vision among school-going children is a global public health problem and uncorrected refractive error, the main causative factor is most prevalent in under-developed countries.
Ang Tshering Lama Sherpa, Mingmar Gyalzen Sherpa, Pushpa Babu Basnet, Mingmar Chhiring Sherpa   +3 more
doaj   +1 more source

Refractive error study in young subjects: results from a rural area in Paraguay [PDF]

, 2017
AIM: To evaluate the distribution of refractive error in young subjects in a rural area of Paraguay in the context of an international cooperation campaign for the prevention of blindness.
Estrella Lumeras, Miguel Ángel, Hernández-Verdejo, José Luis, Piñero, David P., Signes-Soler, Isabel, Tomás Verduras, Elena   +4 more
core   +5 more sources