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International Ophthalmology

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01-12-2024 | Cataract | Original Paper

Association of refractive outcome with postoperative anterior chamber depth measured with 3 optical biometers

Authors: Yan Mao, Jianbing Li, Yingyan Qin, Yanxin Xu, Liangping Liu, Huanhuan Cheng, Mingxing Wu

Published in: International Ophthalmology | Issue 1/2024

Abstract

Purpose

This study evaluated the relationship between refractive outcomes and postoperative anterior chamber depth (ACD, measured from corneal epithelium to lens) measured by swept-source optical coherence tomography (SS-OCT), optical low-coherence reflectometry (OLCR), and Scheimpflug devices under the undilated pupil.

Methods

Patients undergoing cataract phacoemulsification with intraocular lens (IOL) implantation in a hospital setting were enrolled. Postoperative ACD (postACD) was performed with an SS-OCT device, an OLCR device, and a Scheimpflug device at least 1 month after cataract surgery. After adjusting the mean predicted error to 0, differences in refractive outcomes were calculated with the Olsen formula using actual postACD measured from 3 devices and predicted value.

Results

Overall, this comparative case study included 69 eyes of 69 patients, and postACD measurements were successfully taken using all 3 devices. The postACD measured with the SS-OCT, OLCR, and Scheimpflug devices was 4.59 ± 0.30, 4.50 ± 0.30, and 4.54 ± 0.32 mm, respectively. Statistically significant differences in postACD were found among 3 devices (P < 0.001), with intraclass correlation coefficients (ICCs) and Bland-Altman showing good agreement. No significant difference in median absolute error was found with the Olsen formula using actual postACD obtained with 3 devices. Percentage prediction errors were within ± 0.50 D in 65% (OLCR), 70% (Scheimpflug), and 67% (SS-OCT) calculated by actual postACD versus 64% by predicted value.

Conclusion

Substantial agreement was found in postACD measurements obtained from the SS-OCT, OLCR, and Scheimpflug devices, with a trend toward comparable refractive outcomes in the Olsen formula. Meanwhile, postACD measurements may be potentially superior for the additional enhancement of refractive outcomes.

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Title: Association of refractive outcome with postoperative anterior chamber depth measured with 3 optical biometers
Authors: Yan Mao
Jianbing Li
Yingyan Qin
Yanxin Xu
Liangping Liu
Huanhuan Cheng
Mingxing Wu
Publication date: 01-12-2024
Publisher: Springer Netherlands
Keyword: Cataract
Published in: International Ophthalmology / Issue 1/2024
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-024-02995-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Association of refractive outcome with postoperative anterior chamber depth measured with 3 optical biometers

Abstract

Purpose

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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