J Korean Ophthalmol Soc > Volume 55(4); 2014 > Article
Journal of the Korean Ophthalmological Society 2014;55(4):480-485.
DOI: https://doi.org/10.3341/jkos.2014.55.4.480    Published online April 15, 2014.
Higher-Order Aberrations and Visual Acuity with Wavefront-Guided and Wavefront-Optimized Ablation in Laser Keratorefractive Surgery.
Sung In Kim, Jeong Jae Oh, Tae Hoon Oh, Kyu Hong Pak, Nam Ho Baek, Jin Seok Choi
Department of Ophthalmology, Saevit Eye Hospital, Goyang, Korea. zenith716@hanmail.net
각막굴절수술에서 웨이브프론트가이드와 웨이브프론트최적화 방식의 고위수차 및 시력의 비교
Department of Ophthalmology, Saevit Eye Hospital, Goyang, Korea
To compare higher-order aberrations (HOAs) and visual acuity after wavefront-guided and wavefront-optimized laser keratorefractive surgery. METHODS: This retrospective study consisted of consecutive cases of eyes that underwent wavefront-guided (VISX S4 CustomVue(R)) or wavefront-optimized (WaveLight(R) EX500) laser assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK). Preoperative and postoperative uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), manifest refraction spherical equivalent (MRSE), and preoperative and 3 month postoperative HOAs were compared. RESULTS: There were no statistical differences in UCVA, BCVA, MRSE, or total HOAs in either the LASIK and PRK groups (all p > 0.05). Induced amount of spherical aberration (SA) was significantly lower in the wavefront-optimized LASIK and PRK than wavefront-guided LASIK and PRK. CONCLUSIONS: In laser keratorefractive surgery, wavefront-guided and wavefront-optimized platforms produced equivalent visual outcomes and no differences in total HOAs. However, the wavefront-optimized platform caused less spherical aberration 3 months after operation.
Key Words: Higher-order aberrations;LASIK;PRK;Wavefront-guided;Wavefront-optimized
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