The Changes in Anterior Chamber Depth and Refractive Error Associated with Diverse Intraocular Lenses

Ji Myung Lee; Tae Hoon Oh; Hyun Seung Kim

doi:10.3341/jkos.2013.54.2.245

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Lee, Oh, and Kim: The Changes in Anterior Chamber Depth and Refractive Error Associated with Diverse Intraocular Lenses

Original Article

J Korean Ophthalmol Soc 2007;54(2):245-250.

Published online: 24 August 2007

DOI: https://doi.org/10.3341/jkos.2013.54.2.245

The Changes in Anterior Chamber Depth and Refractive Error Associated with Diverse Intraocular Lenses

Ji Myung Lee, MD, Tae Hoon Oh, MD, MS, Hyun Seung Kim, MD, PhD

Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hosptal, The Catholic University of Korea College of Medicine, Seoul, Korea

Address reprint requests to Hyun Seung Kim, MD, PhD, Department of Ophthalmology, The Catholic University of Korea, Yeouido St. Mary's Hosptal #10 63-ro, Yeongdeungpo-gu, Seoul 150-713, Korea Tel: 82-2-3779-1243, Fax: 82-2-761-6869, E-mail: sara514@catholic.ac.kr

Received 25 August 20127 November 2012 Accepted 2 January 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

The changes in anterior chamber depth (ACD) and refractive error in pseudophakia with 6 types of intraocular lenses (IOLs) after cataract surgery were compared in the present study.

Methods

The medical records of 108 eyes (73 patients) who underwent cataract surgery with 6 types of IOLs, 5 types of single-piece IOLs and 1 type of 3-piece IOLs between March 2007 and April 2010 were retrospectively reviewed. ACD and refractive error were measured preoperatively, and at 1 day, 1 week, 1 month and 3 months postoperatively and the data were extracted and analyzed.

Results

In the case of the SN60WF lens, the ACD was significantly shallow as compared to other IOLs at each follow-up period and refractive error was significantly myopic at 3 months postoperatively. In the case of SN60WF and ZA9003 lenses, the ACD was significantly changed at 3 months postoperatively from 1 day postoperatively. In the case of the MI60 lens, refractive error was slightly hyperopic, but not statistically significant.

Conclusions

There was difference in ACD changes after cataract surgery associated with various IOLs, which affected the postoperative refractive errors.

Keywords: Anterior chamber depth, Intraocular lenses, Refractive error

References

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Figure 1.

The postoperative mean anterior chamber depth (ACD) in 6 types of IOL. In the SN60W F, the ACD is significantly shallow as compared to other IOLs at each follow-up period.

Figure 2.

The postoperative differences of mean anterior chamber depth after cataract surgery. In the SN60W F and ZA9003, there is significant change in ACD at 3 months postoperatively from 1 day postoperatively.

Figure 3.

The postoperative refractive error (mean spherical equivalent differences) between the target refraction and the actual refraction at each period. In the SN60W F, refractive error is significantly myopic at 3 months postoperativlely. In the MI60, refractive error is slightly hyperopic, but not statistically significant.

Table 1.

Preoperative characteristics of 6 types of IOL

Preoperative Characteristics	Types of IOL
Preoperative Characteristics	SA60AT	SN60WF	MI60	620H	570C	ZA9003	p-value
Eyes/N	29/18	18/14	6/3	10/6	14/8	31/24
Sex (M/F)	10:19	8:10	4:02	6:04	8:06	18:13	0.40^∗
Age (year)	68.26 ± 7.23	62.44 ± 8.50	80.00 ± 11.23	67.20 ± 9.41	71.57 ± 10.27	69.13 ± 8.57	0.13^†
AxL (mm)	22.87 ± 0.67	22.94 ± 0.53	22.89 ± 0.62	23.04 ± 0.57	23.08 ± 0.49	23.09 ± 0.61	0.36^†
ACD (mm)	2.79 ± 0.45	2.62 ± 0.37	2.62 ± 0.46	2.71 ± 0.47	2.69 ± 0.39	2.63 ± 0.46	0.24^†

Data are presented as number or mean ± SD.

AxL = axial length; ACD = anterior chamber depth; SD = standard deviation.

^∗Fisher's chi-square test; ^†Independent t-test.

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