J Korean Ophthalmol Soc > Volume 56(12); 2015 > Article
Journal of the Korean Ophthalmological Society 2015;56(12):1840-1847.
DOI: https://doi.org/10.3341/jkos.2015.56.12.1840    Published online December 15, 2015.
Comparison of Intracorneal Inlay for Presbyopia Correction: Hydrogel and Small-Aperture Inlays with a Six- Months Follow-Up.
Ji Yun Lee, Ae Ri Yoo, Ju Yeon Lee, Dong Hui Lim, Jae Yong Kim, Myoung Joon Kim, Tae Young Chung, Eui Sang Chung, Hung Won Tchah
1Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. hwtchah@amc.seoul.kr
2Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
노안교정을 위한 각막삽입형 인레이의 6개월 동안의 임상결과 비교: 하이드로겔 인레이와 카메라 인레이
이지윤1⋅유애리1⋅이주연2⋅임동희2⋅ 김재용1⋅김명준1⋅정태영2⋅정의상2⋅차흥원1
울산대학교 의과대학 서울아산병원 안과학교실1, 성균관대학교 의과대학 삼성서울병원 안과학교실2
Received: 15 May 2015   • Revised: 22 July 2015   • Accepted: 28 September 2015
Abstract
PURPOSE
To study the safety and efficacy of corneal reshaping and small-aperture inlays and compare the clinical results. METHODS: From February 2014 to November 2014, 22 corneal reshaping inlays were inserted at Asan Medical Center and from October 2012 to March 2013, 26 small-aperture inlay surgeries were performed: 6 eyes at Asan Medical Center and 20 eyes at Samsung Medical Center. The preoperative and postoperative parameters were reviewed retrospectively and included monocular uncorrected distance visual acuity (UDVA; log MAR), uncorrected near visual acuity (UNVA; log MAR), refraction and corneal curvature based on automated refractor keratometry, reading distance and patient satisfaction. RESULTS: In the hydrogel inlay group, preoperative mean monocular UNVA was 0.83 +/- 0.05 and monocular UDVA 0.07 +/- 0.03. At 6 months, mean monocular UNVA was 0.23 +/- 0.05 and UDVA 0.05 +/- 0.02. The most preferred mean reading distance in the hydrogel inlay group was 39.38 +/- 3.18 cm. In the small-aperture inlay group, preoperative mean monocular UNVA was 0.4 +/- 0.06 and monocular uncorrected visual acuity 0.27 +/- 0.04. At 6 months, mean monocular UNVA was 0.11 +/- 0.02 and UDVA 0.09 +/- 0.05 and the most preferred mean reading distance was 44.23 +/- 5.17 cm. Although 85% of patients in the corneal reshaping inlay group were satisfied or very satisfied, only 20% of patients in the small-aperture inlay group were satisfied. CONCLUSIONS: Both inlays are considered good options for correcting presbyopia. However, postoperative satisfaction score was higher and less glare symptoms were reported in the hydrogel inlay group.
Key Words: Corneal inlay;Corneal reshaping inlay;Presbyopia;Small-aperture inlay


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