Results 81 to 90 of about 609,557 (246)

Simultaneous Presbyopia and Astigmatism Correction with a Novel Trifocal Toric Intraocular Lens—A One-Year Follow-Up

Journal of Clinical Medicine, 2022
The current investigation evaluates the efficiency of the trifocal toric Liberty 677MTY intraocular lens (IOL) in correcting preoperative corneal astigmatism in cataract patients demanding spectacle independence.
L. Nováček, Marie Němcová, Kristýna Sičová, Kateřina Tyx, P. Rozsival, J. Němčanský, P. Studený   +6 more
semanticscholar   +1 more source

Driving Innovation: The Impact of National Health Policies on Optometry Research in East Asia

The International Journal of Health Planning and Management, Volume 41, Issue 1, Page 37-46, January 2026.
ABSTRACT This study examines the optometric research landscape in three East Asian countries—China, Japan, and Korea—analysing how research trends align with each country's national health strategies. By evaluating published articles and reviews from national journals between 2006 March 2025, we identify key areas of focus, including paediatric ...
Jihye Ahn, Moonsung Choi
wiley   +1 more source

Urrets-Zavalia syndrome following implantable collamer lens (ICL) implantation: a case report and review of the literature

Journal of Medical Case Reports
Background Urrets-Zavalia syndrome is a condition that arises after eye surgery, often linked to increased intraocular pressure following the procedure. We present a case of a progressively dilated and fixed pupil in one eye following the implantation of
Ke Li, Ting Huang, Juan Yuan, Siyi Bao
doaj   +1 more source

Roles of Toric intraocular Lens implantation on visual acuity and astigmatism in glaucomatous eyes treated with iStent and cataract surgery

BMC Ophthalmology, 2022
Background To assess the efficacy of toric intraocular lenses (IOLs) in combined cataract and minimally invasive glaucoma surgery (MIGS), visual and refractive outcomes were compared between eyes implanted with non-toric and toric IOLs during iStent ...
Shoichi Ichioka, A. Ishida, Yuji Takayanagi, Kaoru Manabe, Masato Matsuo, M. Tanito   +5 more
semanticscholar   +1 more source

Predictive Correction Model for Corneal Back Surface Astigmatism With IOLMaster700 Keratometry Data in a Cataractous Population

Clinical &Experimental Ophthalmology, Volume 54, Issue 1, Page 21-32, January/February 2026.
ABSTRACT Background To develop and validate various models to predict total keratometry (TK) power vector components TKC0 and TKC45 from classical keratometry (K) KC0 and KC45 based on a large dataset of pre cataract surgery IOLMaster 700 measurements.
Achim Langenbucher, Peter Hoffmann, Alan Cayless, Nóra Szentmáry, Kamran Riaz, Damien Gatinel, Oliver Findl, Seth Pantanelli, Tun Kuan Yeo, Giacomo Savini, Jascha Wendelstein   +10 more
wiley   +1 more source

A Direct Method for Determining Toricity Ratios of Toric Intraocular Lens Calculators

Scientific Reports, 2018
AbstractThis study develops a method to determine toricity ratios used by arbitrary toric intraocular lens calculators. Access to this information allows for the improvement of refractive results. We derive the Sayegh-Gabra formula, which uses input and output parameters in a toric calculator to extract toricity ratios that are typically not disclosed.
Gabra, Lauren G., Sayegh, Samir I.
openaire   +2 more sources

Reproducibility of the Magnitude of Lens Rotation Following Implantation of a Toric Intraocular Lens with Modified Haptics

Clinical Ophthalmology, 2022
Purpose To evaluate the reproducibility of magnitude of postoperative IOL rotation following implantation of a toric intraocular lens (IOL) with modified haptics, in comparison with a Proof-of-Concept (POC) study of prototype IOLs featuring the same ...
Gabriel A Quesada, Rodrigo A Quesada, Jason J. Jones, Benjamin J K Straker, Wuchen Zhao, Linda M Tsai, Srividhya Vilupuru   +6 more
semanticscholar   +1 more source

Trends in the Axis Changes of Astigmatism in Children of Different School Ages and Predictive Analysis of Developmental Models

International Journal of Clinical Practice, Volume 2026, Issue 1, 2026.
Clinical relevance The dynamic changes in astigmatic axis in school‐age children with development guide optometrists in accurate axis determination and regular follow‐up, improving correction efficacy and preventing asthenopia and amblyopia. Purpose This study performs model predictions and investigates the patterns of change in the axis of astigmatism,
Long Tao, Pengfei Liu, Jiajun Chen, Ling Wang, Shasha Xue, Yunxiao Wang, Xiaoyan Sun, Licun Wang, Fenglei Wang, Suraiya Saleem   +9 more
wiley   +1 more source

Accuracy of toric intraocular lens power calculation depending on different keratometry values using a novel network based software platform

Frontiers in Medicine
Purpose To compare different corneal keratometry readings (swept-source-OCT-assisted biometry and Scheimpflug imaging) with a novel software platform for calculation of toric intraocular lenses.
Michaela Ramsauer, N. Luft, Efstathios Vounotrypidis, Siegfried G. Priglinger, W. Mayer   +4 more
semanticscholar   +1 more source

Comparative Visual Outcomes of Toric and Nontoric Intraocular Lenses Featuring Combined Diffractive Extended Depth of Focus and Multifocal Designs

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose To assess and compare visual quality and subjective outcomes of the toric and nontoric versions of a trifocal intraocular lens (IOL) combining a diffractive extended depth of focus (EDoF) profile with a diffractive multifocal pattern. Methods This prospective cohort study included patients bilaterally implanted with the TECNIS Synergy or TECNIS
Laureano A. Rementería-Capelo, Inés Contreras, Laura Mariñas-García, Vanesa Blázquez, Javier Ruiz-Alcocer, Sudhir Patel   +5 more
wiley   +1 more source