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KMID : 0360220130540091353
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Journal of the Korean Ophthalmological Society
2013 Volume.54 No. 9 p.1353 ~ p.1358
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Comparison of Surgical Parameters and Outcomes According to the Phacoemulsification Technique
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Kim So-A
Ko Dong-Ah
Kim Jae-Yong
Kim Myoung-Joon
Tchah Hung-Won
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Abstract
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Purpose: To compare intraoperative parameters and postoperative results between divide-and-conquer and multiple phaco- chop technique.
Methods: Two different techniques were performed by one operator on the patients with bilateral cataract. One eye was phacoemulsified by divide-and-conquer technique (D eye), and the other was performed by multiple phaco-chop technique (M eye). Changes of central corneal thickness during the operation, total phaco-time and phaco-energy were measured.
Results: Total 29 patients were included. The change of central corneal thickness were 8.4 ± 11.8 μm in D eye and 11.5 ± 16.7 μm in M eye, which showed no significant difference (p = 0.350) and total phaco-time were 70.1 ± 32.9 seconds in D eye and 71.1 ± 55.0 seconds in M eye, which also showed no significant difference (p = 0.689). However, phaco-energy were 12.4 ± 8.3 power × s in D eye and 8.4 ± 9.9 power × s in M eye, and this result showed significantly larger energy when using divide-and-conquer technique (p < 0.001).
Conclusions: There was no significant difference in change of central corneal thickness and phaco-time between two techniques, divide-and-conquer and multiple phaco-chop technique. However, significantly smaller phaco energy was used by multiple phaco-chop technique compared with divide-and-conquer technique.
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KEYWORD
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Cataract surgery, Divide and conquer, Multiple phaco-chop, Phacoemulsification, Phaco energy
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