Results 41 to 50 of about 3,031 (176)

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

open access: yesThe 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

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

open access: yesClinical &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   +10 more
wiley   +1 more source

Comparison of Two Toric IOL Calculation Methods

open access: yesJournal of Ophthalmology, 2018
Purpose. To compare two calculators for toric intraocular lens (IOL) calculation and to evaluate the prediction of refractive outcome. Methods. Sixty-four eyes of forty-five patients underwent cataract surgery followed by implantation of a toric ...
C. Kern   +5 more
doaj   +1 more source

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

open access: yesInternational 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   +9 more
wiley   +1 more source

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

open access: yesJournal 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

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

open access: yesJournal 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   +5 more
wiley   +1 more source

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

open access: yesScientific 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

Evaluation of Tilt and Decentration of Intraocular Lens After Combined Femtosecond Laser‐Assisted Cataract Surgery and Vitrectomy

open access: yesJournal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose To evaluate the changes in tilt and decentration prior to and following microincision vitrectomy and femtosecond laser‐assisted cataract surgery (FLACS) using a 7 mm intraocular lens (IOL). Methods Patients were grouped by surgical method: conventional phacoemulsification surgery and vitrectomy without gas (Group A: 27 eyes), conventional ...
Tomoyuki Watanabe   +6 more
wiley   +1 more source

Surgical technique for management of isolated lenticular coloboma with high corneal astigmatism

open access: yesIndian Journal of Ophthalmology, 2018
We describe a surgical technique for the correction of isolated congenital lenticular coloboma associated with high corneal astigmatism. Transscleral fixation of the capsular bag with a single eyelet Cionni capsular tension ring was followed by in-the ...
Simar Rajan Singh   +3 more
doaj   +1 more source

Objective analysis of toric intraocular lens rotation and centration [PDF]

open access: yesJournal of Cataract and Refractive Surgery, 2010
To assess the repeatability of an objective image-analysis technique to determine intraocular lens (IOL) rotation and centration.Six European ophthalmology clinics.Eyes with an Akreos AO aspheric IOL with orientation marks were imaged. A masked observer rated image quality.
Wolffsohn, James S, Buckhurst, Phillip J
openaire   +2 more sources

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