J Korean Ophthalmol Soc > Volume 57(12); 2016 > Article
Journal of the Korean Ophthalmological Society 2016;57(12):1840-1848.
DOI: https://doi.org/10.3341/jkos.2016.57.12.1840    Published online December 15, 2016.
Comparison of Clinical Outcomes between Laser Blended Vision and Monovision Laser Refractive Surgery for Presbyopia.
Suchan Lee, Cheolwon Jang, Seok Joon Kong, Jae Woo Kim, Young Joo Cho, Tae Hyung Lim, Kee Yong Choi, Beom Jin Cho
HanGil Eye Hospital, Incheon, Korea. chobjn@empas.com
노안환자에서 비구면 미세단안시 라식수술 및 단안시 굴절수술의 임상결과 비교
이수찬⋅장철원⋅공석준⋅김재우⋅조영주⋅임태형⋅최기용⋅조범진
한길안과병원
Abstract
PURPOSE
To compare the efficacy and safety of Laser Blended Vision (LBV) and monovision laser refractive surgery (monovision) for presbyopia correction in patients with myopia. METHODS: This retrospective comparative study included 42 eyes of 21 patients with LBV and 50 eyes of 25 patients with monovision. Monocular and binocular distance, intermediate and near visual acuity, and refractive changes were evaluated preoperatively and 3 months after the surgery and compared. The patients in the LBV group underwent further evaluation of spherical aberration 3 months after the surgery and treatment satisfaction 3-6 months after the surgery. RESULTS: The mean age of the patients was 47.9 years in the LBV group and 41.7 years in the monovision group. Three months after surgery, the spherical equivalents were +0.11 ± 0.17 D in the dominant eye and -1.52 ± 0.36 D in the non-dominant eye in the LBV group. In contrast, the spherical equivalents were +0.23 ± 0.26 D in the dominant eye and -0.82 ± 0.28 D in the non-dominant eye in the monovision group. All patients achieved a binocular uncorrected distance visual acuity of 0.10 (log MAR) or better, and 86% of the LBV group and 100% of the monovision group achieved a binocular uncorrected intermediate visual acuity of better than 0.10. Moreover, 95% of the LBV group and 100% of the monovision group achieved a binocular uncorrected near visual acuity of better than 0.18. In the LBV group, mean spherical aberration increased after surgery than before, but it was not statistically significant. Complications such as corneal opacity that could decrease visual acuity were absent in both groups. Overall patient satisfaction after surgery was 80% in the LBV group. CONCLUSIONS: Despite the relatively higher mean age of the LBV group, both groups showed similar results regarding presbyopia correction in patients with myopia.
Key Words: Laser blended vision;Monovision;Myopia;Presbyopia


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