| Clinical Outcomes of Cataract Surgery Using Torsional Mode Phacoemulsification and Soft Shell Technique. |
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Tae Hoon Oh, Seung Jin Lee, Hyun Seung Kim |
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Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, St. Mary's Hospital, Seoul, Korea. sara514@catholic.ac.kr |
| Soft shell 기법과 병행한 회전진동방식 초음파 유화술의 임상결과 |
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오태훈ㆍ이승진ㆍ김현승 |
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Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, St. Mary’s Hospital, Seoul, Korea |
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| Abstract |
PURPOSE
To evaluate the additional protective effect of the soft shell technique on corneal endothelial cells in torsional mode phacoemulsification. METHODS: Torsional mode phacoemulsification was performed on 60 eyes in 38 patients who were diagnosed with moderate cataracts. Thirty eyes were assigned to the soft shell technique group, and a control group with 30 eyes using only cohesive viscoelastics was created to evaluate ultrasound (US) time, mean US intensity, cumulative dissipated energy (CDE), and amount of used balanced salt solution. Corneal endothelium and corneal thickness were measured before and after the procedure. RESULTS: There were no statistically significant differences in US time, mean US intensity, cumulative dissipated energy, and dosage of the balanced salt solution between the two groups. There were no statistically significant differences between the two groups in postoperative central corneal thickness. Corneal endothelial cell densities decreased significantly after surgery in both groups, but there were no statistically significant differences between the two groups. CONCLUSIONS: There are no significant differences in the intensity of ultrasound, the density of corneal endothelial cells or the thickness of the cornea between the two groups. Therefore, the soft shell technique is not needed under torsional mode phacoemulsification. |
| Key Words:
Phacoemulsification;Soft shell technique;Torsional mode |
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