Results 31 to 40 of about 6,276,151 (178)

Intraocular Lens Optic Power Calculation on “Short” Eyes. A Review

Oftalʹmologiâ, 2022
In recent years, due to advances in surgical technique, instruments and design of intraocular lenses (IOLs), patient expectations of cataract surgery have increased significantly, often matching those after refractive interventions.
K. B. Pershin, N. F. Pashinova, I. A. Likh, A. Yu. Tsygankov   +3 more
doaj   +1 more source

Effect of Implantable Collamer Lens on Anterior Segment Measurement and Intraocular Lens Power Calculation Based on IOLMaster 700 and Sirius

, 2021
Purpose. To investigate the possible effect of an implantable collamer lens (ICL) on ocular biometrics and intraocular lens (IOL) power calculation. Methods. Ocular measurements were taken preoperatively and at the two-month follow-up using IOLMaster 700
Yinan Liu, Xiaoyong Chen, Hongyuan Cai, Qianru Wu, Yu Zhang, Ziyuan Liu, Di Zhang   +6 more
core   +1 more source

Accuracy of biometric formulae for intraocular lens power calculation in a teaching hospital [PDF]

International Journal of Ophthalmology, 2020
AIM: To evaluate the accuracy of three commonly used biometric formulae across different axial lengths (ALs) at one United States Veterans Affairs teaching hospital. METHODS: A retrospective chart review was conducted from November 2013 to May 2018. One
Kevin S Tang, Elaine M Tran, Allison J Chen, David R Rivera, Jorge J Rivera, Paul B Greenberg   +5 more
doaj   +1 more source

Intraocular Lens Power Calculation Without Corneal Parameters: A New Option

, 2020
To compare different methods in calculating the corneal radius (R) to be used in case of intraocular lens power calculations when it is ...
Zeppa, Lucio, Alessia Coppola, Nicola Rosa, Maddalena De Bernardo, Coppola, Alessia, Borrelli, Maria, Lucia Zeppa, Lucio Zeppa, Rosa, Nicola, Zeppa, Lucia, Maria Borrelli, De Bernardo, Maddalena   +11 more
core   +1 more source

Quantitative biometric cutoffs for the choice of the intraocular lens power calculation formula for a recently introduced nondiffractive extended depth-of-focus intraocular lens

, 2022
Purpose This study aimed to analyze biometry values cutoffs for the choice of the best intraocular lens power calculation formula for AcrySof IQ Vivity intraocular lens. Methods The study was designed as interventional case series with 3 months of follow-
Fasce, Francesco, Arrigo, Alessandro, Figini, Innocente, Bandello, Francesco, Aragona, Emanuela, Gambaro, Gianpiera   +5 more
core   +1 more source

Cataract Surgery following Sequential Myopic and Hyperopic LASIK

Case Reports in Ophthalmology, 2018
We report a case of patient dissatisfaction after sequential myopic and hyperopic LASIK in the same eye. We discuss the course of management for this patient involving eventual cataract extraction and intraocular lens (IOL) implantation with attention to
Tao Ming Thomas Chia, Hoon C. Jung
doaj   +1 more source

Astigmatism correction with toric intraocular lens during cataract surgery

Kerala Journal of Ophthalmology, 2020
Currently toric intraocular lens (TIOL) implantation is the most reliable method to correct pre-existing corneal astigmatism of 1D or more at the time of cataract surgery. A good surgical outcome depends on proper patient selection, accurate preoperative
N Sandhya, Keerthana Zacharia, S J Saikumar   +2 more
doaj   +1 more source

Intraocular lens power calculation after radial keratotomy and LASIK - A case report

American Journal of Ophthalmology Case Reports, 2019
Purpose: To report a challenging intraocular lens (IOL) power calculation case who received both radial keratotomy (RK) and laser-assisted in situ keratomileusis (LASIK).
Chun-Fu Liu, Chi-Chin Sun, Yun-Hsuan Lin, Shu-Yen Peng, Ling Yeung   +4 more
doaj   +1 more source

Strategies for formula constant optimisation for intraocular lens power calculation.

PLoS ONE, 2022
BackgroundTo investigate modern nonlinear iterative strategies for formula constant optimisation and show the application and results from a large dataset using a set of disclosed theoretical-optical lens power calculation concepts.MethodsNonlinear ...
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Jascha Wendelstein, Peter Hoffmann   +4 more
doaj   +1 more source

Magnetically Actuated Microrobot for Drug Delivery: Current Progress and Challenges

Advanced Robotics Research, EarlyView.
Magnetically actuated microrobots are reshaping targeted drug delivery through wireless propulsion, programmable materials, and localized therapeutic release. This review examines how fabrication, body material selection, structural architecture, loading mechanisms, and imaging‐guided control converge to enable microrobotic therapies while identifying ...
Yang Yang, David J. Cappelleri
wiley   +1 more source