Results 21 to 30 of about 2,287 (160)

THE MAGNITUDE AND TYPE OF POSTOPERATIVE ASTIGMATISM AFTER SMALL INCISION CATARACT SURGERY AT A TERTIARY CARE CENTRE: A PROSPECTIVE OBSERVATIONAL STUDY.

Student's Journal of Health Research Africa, 2023
Background: Cataract is the leading cause of blindness accounting for 51% of blindness worldwide. Manual small incision cataract surgery (MSICS) is the most popular surgical management option for cataracts in developing countries.
Bishnudarshni Giri, Prangya Panda, Ramamani Dalai   +2 more
doaj   +1 more source

Minimizing Surgically Induced Astigmatism at the Time of Cataract Surgery Using a Square Posterior Limbal Incision

Journal of Ophthalmology, 2011
Purpose. To compare the surgically induced astigmatism from clear corneal and square posterior limbal incisions at the time of cataract surgery. Methods.
Paul Ernest, Warren Hill, Richard Potvin
doaj   +1 more source

IMPACT OF 2.8MM CLEAR CORNEAL INCISION ON REFRACTIVE OUTCOME IN PHACOEMULSIFICATION PATIENTS

Pakistan Armed Forces Medical Journal, 2020
Objective: To determine the keratometric change and resultant post-operative refraction of routine cataract patients, after a clear corneal incision of 2.8mm on the steeper meridian. Study Design: Quasi-experimental study.
Saquib Naeem, Amjad Akram, Shagufta Parveen   +2 more
doaj   +4 more sources

A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism

Indian Journal of Health Sciences and Biomedical Research KLEU, 2016
Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the ...
Umesh Harakuni, Anju Meena, Amishi Khanna, Abhinav Biala   +3 more
doaj   +1 more source

Posterior Corneal Asphericity Effect on Postoperative Astigmatism after EDOF Intraocular Lens Implantation in Cataract Patients

Journal of Ophthalmology, 2021
Aim. To assess the impact of posterior corneal asphericity on postoperative astigmatism. Methods. We included retrospectively 70 eyes of 70 patients that underwent cataract surgery.
Mark Rabinovich, Ivo Guber, Laëtitia Jessy Niegowski, Ana Maria Aramburu del Boz, Danial Al Khatib, Jean-Pascal Genestier, Jerome Bovet   +6 more
doaj   +1 more source

Comparison of surgically induced astigmatism in patients with horizontal rectus muscle recession [PDF]

International Journal of Ophthalmology, 2014
AIM: To compare surgically induced astigmatism (SIA) following horizontal rectus muscle recession surgery between suspension recession with both the “hang-back" technique and conventional recession technique.METHODS:Totally, 48 eyes of 24 patients who ...
Harun Çakmak, Tolga Kocatürk, Sema Oruç Dündar   +2 more
doaj   +1 more source

Refractive Changes after Glaucoma Surgery—A Comparison between Trabeculectomy and XEN Microstent Implantation

Life, 2022
Best-corrected visual acuity often decreases temporarily or permanently after trabeculectomy (TE). The purpose of this study was to compare visual acuity and refractive changes after TE or XEN microstent implantation (XEN) in primary open-angle glaucoma (
Caroline Bormann, Catharina Busch, Matus Rehak, Manuela Schmidt, Christian Scharenberg, Focke Ziemssen, Jan Darius Unterlauft   +6 more
doaj   +1 more source

20-Gauge vs. 23-Gauge Vitrectomy, in Terms of Surgically Induced Astigmatism

Journal of Gandhara Medical and Dental Sciences, 2023
OBJECTIVES To compare the post-operative (post-op) surgically induced mean astigmatism in patients undergoing 20-gauge- and 23-gauge vitrectomy. METHODOLOGY Sixty patients were enrolled.
Muhammad Tariq Khan, Shafqat Ali Shah, Kaleem Ullah, Muhammad Bilal   +3 more
doaj   +1 more source

Monte Carlo simulation of expected outcomes with the AcrySof^® toric intraocular lens

BMC Ophthalmology, 2008
Background To use a Monte Carlo simulation to predict postoperative results with the AcrySof® Toric lens, evaluating the likelihood of over- or under-correction using various toric lens selection criteria.
Potvin Richard, Hill Warren
doaj   +1 more source

The impact of posterior corneal astigmatism on the surgical planning of toric multifocal intraocular lens implantation

Advances in Ophthalmology Practice and Research, 2023
Purpose: To investigate the influence of posterior corneal astigmatism on the prediction accuracy of toric multifocal intraocular lens (IOL) calculation.
Shaochong Bu, Yuanfeng Jiang, Yichen Gao, Xiaomei Bai, Xiteng Chen, Hong Zhang, Fang Tian   +6 more
doaj   +1 more source