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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.8 P.985~988

http://doi.org/10.1631/jzus.2004.0985


Corneal relaxing incision combined with phacoemulsification and IOL implantation


Author(s):  SHEN Ye, TONG Jian-ping, LI Yu-min

Affiliation(s):  Eye Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China

Corresponding email(s):   syzyec@hzcnc.com

Key Words:  Astigmatism, Corneal relaxing incision, Cataract


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SHEN Ye, TONG Jian-ping, LI Yu-min. Corneal relaxing incision combined with phacoemulsification and IOL implantation[J]. Journal of Zhejiang University Science A, 2004, 5(8): 985~988.

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author="SHEN Ye, TONG Jian-ping, LI Yu-min",
journal="Journal of Zhejiang University Science A",
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pages="985~988",
year="2004",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2004.0985"
}

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%A TONG Jian-ping
%A LI Yu-min
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%P 985~988
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2004.0985

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T1 - Corneal relaxing incision combined with phacoemulsification and IOL implantation
A1 - SHEN Ye
A1 - TONG Jian-ping
A1 - LI Yu-min
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2004.0985


Abstract: 
Objective: To analyze the effectiveness and safety of corneal relaxing incisions (CRI) in correcting keratometric astigmatism during cataract surgery. Methods: A prospective study of two groups: control group and treatment group. A treatment group included 25 eyes of 25 patients who had combined clear corneal phacoemulsification, IOL implantation and CRI. A control group included 25 eyes of 25 patients who had clear corneal phacoemulsification and IOL implantation. Postoperative keratometric astigmatism was measured at 1 week, 1 month, 3 months and 6 months. Results: CRI significantly decreased keratometric astigmatism in patients with preexisting astigmatism compared with astigmatic changes in the control group. In eyes with CRI, the mean keratometric astigmatism was 0.29±0.17 D (range 0 to 0.5 D) at 1 week, 0.41±0.21 D (range 0 to 0.82 D) at 1 month, respectively reduced by 2.42 D and 2.30 D at 1 week and 1 month postoperatively (P=0.000, P=0.000), and postoperative astigmatism was stable until 6 months follow-up. The keratometric astigmatism of all patients decreased to less than 1.00 D postoperatively. Conclusions: CRI is a practical, simple, safe and effective method to reduce preexisting astigmatism during cataract surgery. A modified nomogram is proposed. The long-term effect of CRI should be investigated.

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Reference

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