Comparative Evaluation of Rotational Stability of Toric IOLs with Four-eyelet Two-eyelet Capsular Tension Rings in Eyes with High Myopia

Overview

Journal Int J Ophthalmol

Specialty Ophthalmology

Date 2021 Mar 22

PMID 33747812

Citations 4

Authors

Hui-Min Jiang

Kun Liang

Li-Ming Tao

Affiliations

Soon will be listed here.

Abstract

Aim: To compare the rotational stability of Toric intraocular lens (IOLs) implantation combined with four-eyelet or two-eyelet capsular tension rings (CTRs) in eyes with high myopia and cataract.

Methods: This prospective randomized controlled interventional study included 33 eyes which had preoperative corneal astigmatism ≥1.5 D and ocular axial length ≥25.5 mm. These eyes were randomly divided into two groups to undergo phacoemulsification and toric IOL implantation with either four-eyelet CTR implantation (group A, =16) or two-eyelet CTR implantation (group B, =17). Uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), phoropter examination results, and toric IOL rotation degrees were tested 6mo after the surgery.

Results: In both groups, the toric IOL was in the capsular sac 6mo after surgery. The difference between the two groups in terms of visual outcome was not found to be statistically significant (>0.05) at a follow-up of 6mo. The mean residual astigmatism values were 0.56±0.22 D and 0.92±0.24 D in A and B groups, respectively (<0.001). The mean rotation degree of IOL was 1.00°±0.73° in group A and 3.53°±1.46° in group B (<0.001).

Conclusion: In cataract patients with high myopia and astigmatism, four-eyelet CTR can effectively increase the rotation stability of toric IOLs, achieving the desired goal of correcting corneal astigmatism.

Citing Articles

Effect of capsule treatment on visual acuity and quality after phacoemulsification lens implantation in myopic patients with cataract.

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Insights into the rotational stability of toric intraocular lens implantation: diagnostic approaches, influencing factors and intervention strategies.

Lin X, Ma D, Yang J Front Med (Lausanne). 2024; 11:1349496.

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Technique of using Cionni-modified capsular tension ring in the management of severely traumatic lens subluxation.

Jiang H, Zhang W, Chu Y Int J Ophthalmol. 2023; 16(7):1078-1083.

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Propensity-matched comparison of postoperative stability and visual outcomes of toric intraocular lens with or without a capsular tension ring and updated meta-analysis.

Ma D, Han X, Hua Z, Shen J, Zhang L, Qiu T Graefes Arch Clin Exp Ophthalmol. 2022; 261(4):989-998.

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