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Park, Kim, Lee, Kim, Kim, and Tchah: Clinical Outcomes of Aspheric 1-Piece (Tecnis® ZCB00) and 3-Piece (Tecnis® ZA9003) Aspheric Intraocular Lens for 12 Months
Original Article
Journal of the Korean Ophthalmological Society

Journal of the Korean Ophthalmological Society 2012; 53(10): 1451-1457.

Published online: 17 October 2012

DOI: https://doi.org/10.3341/jkos.2012.53.10.1451

Clinical Outcomes of Aspheric 1-Piece (Tecnis® ZCB00) and 3-Piece (Tecnis® ZA9003) Aspheric Intraocular Lens for 12 Months

Jong Hoon Park, MD, Jae Hyung Kim, MD, Joo Eun Lee, MD, Jea Yong Kim, MD, Myoung Joon Kim, MD, Hung Won Tchah, MD

Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Address reprint requests to Hung Won Tchah, MD. Department of Ophthalmology, Asan Medical Center, #88 Olmpic-ro 43-gil, Songpa-gu, Seoul 138-736, Korea. Tel: 82-2-3010-3680, Fax: 82-2-470-6440, hwtchah@amc.seoul.kr

Received 2 March 2012       Accepted 18 September 2012

Copyright © 2012 The Korean Ophthalmological Society

Abstract

Purpose

To evaluate the postoperative outcome of Tecnis® ZCB00 1-Piece acrylic intraocular lens (IOL), the new single piece, aspheric IOL until 12 months.

Methods

Sixty eyes undergone cataract surgery using two different IOLs; The Tecnis® ZCB00 1-Piece Acrylic IOL (30 eyes) and the Tecnis® ZA9003 3-Piece Acrylic IOL (30 eyes). Cataract surgery was performed in the same period. All complicated cases were excluded. Best corrected visual acuity (BCVA), refractive error, photopic and mesopic contrast sensitivity, total high order aberration, spherical aberration and anterior chamber depth were measured preoperatively and at 1, 6 and 12 months after surgery.

Results

There were no statistically significant differences between two groups in BCVA, refractive error, total high order aberration and spherical aberration all the time after surgery. Both groups have negative ocular spherical aberration until 12 months after surgery. 1-piece and 3-piece groups had different tendency in axial movement. But there were no statistically significant differences in anterior chamber depth measured at 1 week, 1, 6 and 12 months after surgery. There was no statistically significant difference in contrast sensitivity at 1, 6 and 12 months after surgery.

Conclusions

The Tecnis® ZCB00 1-Piece acrylic intraocular lens (IOL) showed comparable clinical outcomes to the Tecnis® ZA9003 3-Piece acrylic intraocular lens (IOL) until 12 months after cataract surgery. 1-piece and 3-piece IOL group had different tendency in axial movement. However, refraction remained stable during 12 months after surgery. Mostly, both IOL groups had negative ocular spherical aberration during whole follow-up period.

Keywords: Single piece IOL and aspheric intraocular lens, ZCB00 1-Piece acrylic IOL

Figures and Tables

Figure 1
Comparison of single piece IOL (Tecnis® ZCB00) and three piece IOL (Tecnis® ZA9003).
jkos-53-1451-g001
Figure 2
Comparison of postoperative contrast sensitivity (CS) in photophic and mesopic conditions. (A, C, E) CS in mesopic condition at postoperative 1, 6, 12 months respectively. (B, D, F) CS in photopic condition at postoperative 1, 6, 12 months respectively.
jkos-53-1451-g002
Figure 3
Comparison of postoperative anterior chamber depth (ACD) between two groups.
jkos-53-1451-g003
Table 1
Comparison of preoperative characteristics between two groups
jkos-53-1451-i001

Values are presented as mean ± SD.

BCVA = best corrected visual acuity; AL = axial length.

Table 2
Comparison of postoperative outcomes by 12 months in which ZA9003 or ZCB00 was implanted
jkos-53-1451-i002

Values are presented as mean ± SD.

BCVA = best corrected visual acuity; SE = spherical equivalent; RE = refractive error; HOA = high order aberration; Sph. aberr. = spherical aberration.

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