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Research Article

Application of Femtosecond Laser + Piggyback Multifocal Intraocular Lens Implantation in Patients with Super-High Myopia Complicated with Cataract

Short title: Piggyback multifocal intraocular lens implantation

, , , , &
Pages 217-222 | Received 07 Sep 2023, Accepted 19 Oct 2023, Published online: 23 Nov 2023
 

ABSTRACT

Objective

To observe the clinical effect of piggyback multifocal intraocular lens (IOL) implantation in treating patients with high myopia complicated with cataract.

Methods

This was a prospective controlled study. We compared 32 eyes of 32 patients who underwent femtosecond laser-assisted cataract surgery with piggyback IOL implantation (two IOLs were implanted into the capsule) with 32 eyes of 32 patients who also underwent the same surgery (one IOL implanted into the capsule) due to high myopia complicated with cataract at the Wuhan Aier Eye Expert Hospital between January 2019 and October 2020. All patients were followed up for three months after surgery. Uncorrected distance visual acuity (UCDVA), uncorrected intermediate visual acuity (UCIVA), uncorrected near visual acuity (UCNVA), best-corrected distance visual acuity, distance-corrected intermediate visual acuity (DCIVA), distance-corrected near visual acuity (DCNVA), postoperative spectacle independence, postoperative visual interference, equivalent spherical lens, defocus curve, and IOL tilt and eccentricity were evaluated.

Results

Three months after surgery, the patients’ UCIVA, UCNVA, DCIVA, and DCNVA were 0.49 ± 0.07, 0.38 ± 0.15, 0.47 ± 0.09, and 0.36 ± 0.12, respectively, in the research group and 0.56 ± 0.18, 0.72 ± 0.22, 0.55 ± 0.13, and 0.69 ± 0.15, respectively, in the control group; the differences between the two groups were statistically significant (P < .05). The spectacle independence rate was higher in the research group (93%) than in the control group (13%). The overall satisfaction regarding postoperative visual quality was also higher in the research group than in the control group. The absolute mean value of the spherical equivalents was 0.48 ± 0.28 D in the research group and 0.62 ± 0.33 D in the control group; the difference between the two groups was statistically significant (P < .05).

Conclusion

Piggyback multifocal IOL implantation can expand the multifocal IOL application range, and satisfy the desire of patients with high myopia complicated with cataract to see both near and far.

Acknowledgments

We are particularly grateful to all the people who have given us help on our article.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Data availability statement

All data generated or analysed during this study are included in this article. Further enquiries can be directed to the corresponding author.

Ethics approval and consent to participate

The study was conducted in accordance with the Declaration of Helsinki. The study was approved by Ethics Committee of the Aier Eye Hospital of Wuhan University (2018IRB1225). Written informed consent was obtained from all participants.

Additional information

Funding

This study was funded by the Science Research Foundation of Aier Eye Hospital Group (Grant Nos. AF1902D9 and AM2206D02).

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