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Purpose: To compare visual outcomes of two newly developed monofocal intraocular lenses (IOLs) (I-Stream H and CT Lucia 211P) implanted in patients undergoing surgery for senile cataract.
Methods: This prospective, comparative, single-center, randomized study included 94 eyes of 94 patients undergoing cataract surgery. Patients were randomized to receive the implantation of I-Stream H IOL (Group 1) or CT Lucia 211P IOL (Group 2). Each patient underwent a complete ocular examination before (V0), 1 month (V1), 3 months (V2) and 6 months (V3) after surgery, including visual acuity testing, objective refraction, slit-lamp biomicroscopy, contrast sensitivity testing and visual function index questionnaire (VF-14).
Results: After surgery, a significant increase of best-corrected visual acuity (BCVA), CS and VF-14 and a significant decrease of SE were detected in both groups at each time point compared to baseline (always p<0.01). No significant differences in the postoperative increase of BCVA (p=0.12), CS (p=0.21) and VF-14 (p=0.31) and decrease of SE (p=0.08) were detected comparing patients from Group 1 and Group 2 at V3. Mean and median prediction error, as well as absolute prediction error values, did not significantly differ between the two groups (p>0.05). Eyes with an actual refraction within 0.25, 0.50 and 1 D were 53.1%, 85.1% and 100% for Group 1 and 55.3%, 87.2% and 100% for Group 2 (p>0.05).
Conclusion: I-Stream H and CT Lucia 211P allowed a satisfied recovery of visual function after senile cataract surgery; both IOLs were shown to have similar outcomes of visual performance.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7083640 | PMC |
http://dx.doi.org/10.2147/OPTH.S246319 | DOI Listing |
Clin Ophthalmol
December 2024
Alcon Vision LLC, Fort Worth, TX, USA.
Purpose: To compare the refractive prediction accuracy of the Optiwave Refractive Analysis (ORA) SYSTEM with the Barrett True-K (BTK) formula in calculating intraocular lens (IOL) power in eyes that underwent cataract surgery after previous myopic photorefractive keratectomy (PRK) or laser-assisted in situ keratomileusis (LASIK).
Methods: This retrospective study evaluated patients aged ≥22 years with prior myopic PRK or LASIK who underwent unilateral or bilateral cataract removal and monofocal IOL implantation using the ORA SYSTEM at 177 sites in the United States. Two datasets were analyzed: All Eyes (ie, all eligible eyes) and First Surgery Eyes (ie, each patient's first implanted eye).
BMC Ophthalmol
December 2024
Juarez Hospital, Public Assistance Institution (Nonprofit Organization), Av. Politecnico Nacional 5160, Colonia Magdalena de las Salinas, Mexico City, 07760, Mexico.
This meta-analysis aims to evaluate the efficacy and safety of diabetic vitrectomy for treating tractional retinal detachment (TRD) by assessing visual acuity improvements, retinal reattachment success rates, and the frequency of postoperative complications. A comprehensive literature search identified 1,211 studies, 30 of which met the inclusion criteria and were analyzed. The meta-analyses were conducted via random effects models to account for heterogeneity.
View Article and Find Full Text PDFOphthalmol Ther
December 2024
ESiOR Oy, Kuopio, Finland.
Introduction: Diffractive trifocal intraocular lenses (IOLs) provide good vision at distance, intermediate, and near, but can also cause positive dysphotopsias. This meta-analysis pooled published evidence on visual disturbances after bilateral implantation of the PanOptix (TFNTXX) IOL for patients undergoing cataract surgery.
Method: A systematic literature search was conducted in PubMed and congress presentations from April 2021 to December 2022 to identify studies with patient-reported outcomes on the incidence of visual disturbances (starbursts, halos, glare) post bilateral implantation of PanOptix IOL during cataract surgery.
Cureus
November 2024
Department of Obstetrics and Gynecology and Urology, New York Medical College, Valhalla, USA.
Background The United States continues to rank as one of the most expensive healthcare systems in the world, and cataract surgery, the most commonly performed surgery, is one of the primary drivers of healthcare expenditure. Increasing efforts have been made to try to minimize U.S.
View Article and Find Full Text PDFPhotodiagnosis Photodyn Ther
December 2024
Department of Ophthalmology, The First Affiliated Hospital of Kunming Medical University, Kunming 650031, P.R. China. Electronic address:
Purpose: To assess the variability and correlation of ocular biometric parameters in eyes with cataracts and examine their association with age and gender.
Methods: A retrospective analysis was performed on biometric data from 7,458 eyes without retinal pathologies, using an optical biometer equipped with low-coherence reflectometry technology. Pearson's correlation coefficients (r) were used to evaluate the relationships between age, gender, and various ocular parameters, including axial length (AL), anterior chamber depth (ACD), lens thickness (LT), central corneal thickness (CCT), corneal refractive power (Km), and white-to-white (WTW) measurement.
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