J Korean Ophthalmol Soc > Volume 50(6); 2009 > Article
Journal of the Korean Ophthalmological Society 2009;50(6):826-830.
DOI: https://doi.org/10.3341/jkos.2009.50.6.826    Published online June 15, 2009.
Clinical Outcomes of LASIK Using a 213 nm Solid-State Laser System: 6-month Follow-up.
Tae Hyung Lim, Chul Young Choi, Myoung Joon Kim, Jae Yong Kim, Hungwon Tchah
1HanGil-eye Hospital, Incheon, Korea.
2Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Department of Ophthalmology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. hwtchah@amc.seoul.kr
213 nm 솔리드 레이저를 이용한 라식의 단기임상결과
임태형1ㆍ최철영2ㆍ김명준3ㆍ김재용3ㆍ차흥원3
HanGil-eye Hospital1, Incheon, Korea / Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine2, Seoul, Korea / Department of Ophthalmology, University of Ulsan College of Medicine, Asan Medical Center3, Seoul, Korea
Abstract
PURPOSE
To present prospective clinical results of laser-assisted in situ keratomileusis (LASIK) using a solid-state laser system for the correction of mild to moderate myopia with or without astigmatism. METHODS: Thirty-eight eyes underwent LASIK using a 213 nm solid-state laser (Pulzar Z1trade mark, CustomVistrade mark, Australia). Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), refractive errors, higher order aberrations (HOA) and contrast sensitivity were evaluated preoperatively and postoperatively. RESULTS: The preoperative and postoperative mean spherical and cylindrical refractive errors were -3.27+/-0.85D, +1.04+/-0.69D, -0.36+/-0.7D and +0.14+/-0.2D, respectively. UCVA over 20/25 was obtained in 27 eyes (93%). A result within 1.00D of the desired correction was achieved in 90% of the eyes. There were no decreases in BCVA within the study group. The preoperative and postoperative root-mean-square of HOA at 3 months were 0.196+/-0.092 microm and 0.326+/-0.107 microm respectively. The preoperative and postoperative contrast sensitivity values were similar. CONCLUSIONS: The clinical outcomes of LASIK using a solid-state laser system were comparable to the conventional refractive surgery in mild to moderate myopia. The 213 nm solid state laser may be an alternative option for refractive surgery.
Key Words: Clinical outcome;Laser assisted in situ keratomileusis (LASIK);Refractive surgery;Solid state laser


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