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:: Volume 18, Number 12 (12-2016) ::
JBUMS 2016, 18(12): 7-12 Back to browse issues page
Comparison of Nd:YAG Laser Posterior Capsulotomy Techniques: Cruciate Versus Circular
R Rezaei *, A Almasi-Hashiani, M Khorrambakht, A Khosravi
, dr.rezarezaei@arakmu.ac.ir
Abstract:   (1831 Views)

BACKGROUND AND OBJECTIVE: Nd:YAG laser posterior capsulotomy is a standard method for treatment of posterior capsule opacification (PCO) in adults. However, there is not enough information available regarding the advantages and disadvantages of its conventional techniques. This study aims to compare cruciate and circular techniques of Nd: YAG laser posterior capsulotomy.

METHODS: In this clinical trial, 100 eyes of patients with posterior capsule opacification after cataract surgery were randomly divided into two groups. Cruciate capsulotomy was performed for the first group and circular capsulotomy was performed for the second group. Visual acuity, intraocular pressure, lens shifting, uveitis, macular hole and retinal detachment were examined. In addition, the energy used for rupturing the capsule was recorded. IRCT: 201207037466N4.

FINDINGS: The energy used in circular capsulotomy (345±68.53) was significantly more than the energy used in cruciate capsulotomy (284.4±46.78) (p=0.001). Results showed that there is no significant difference between the two groups in terms of average visibility (p=0.859) and intraocular pressure (p=0.097). Nevertheless, these two variables increase significantly through time (p=0.001). Moreover, there is no significant difference between the two groups in terms of percentage of halo.

CONCLUSION: Since improvement in visual acuity and intraocular pressure was similar in the two groups but the energy used in circular capsulotomy was more than cruciate capsulotomy, cruciate technique is the preferred method.

Keywords: Posterior capsulotomy, Cruciate technique, Circular technique, Visual acuity
Full-Text [PDF 264 kb]   (451 Downloads)    
Type of Study: Interventional | Subject: Ch
Received: 2016/04/9 | Accepted: 2016/11/23 | Published: 2017/01/29
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DOI: 10.22088/jbums.18.12.7


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Rezaei R, Almasi-Hashiani A, Khorrambakht M, Khosravi A. Comparison of Nd:YAG Laser Posterior Capsulotomy Techniques: Cruciate Versus Circular. JBUMS. 2016; 18 (12) :7-12
URL: http://jbums.org/article-1-6034-en.html
Volume 18, Number 12 (12-2016) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences
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