Long-Term Visual and Refractive Outcomes following Surface Ablation Techniques in a Large Population for Myopia Correction

Kulkarni, Sadhana V.; AlMahmoud, Tahra; Priest, David H.; Taylor, Sabrina; Mintsioulis, George; Jackson, W. B.

doi:10.1167/iovs.12-10387

Cited by 8 publications

(4 citation statements)

References 79 publications

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“…Furthermore, both the LASEK and the SMILE groups gained a better postoperative CDVA compared with the preoperative CDVA, with safety indices of 1.17 ± 0.17 and 1.19 ± 0.14 in the LASEK and SMILE groups, respectively. Consistent with previous studies[ 4 , 8 , 9 , 10 ], our findings showed that both LASEK and SMILE are safe and effective.…”

Section: Discussionsupporting

confidence: 93%

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Comparison of postoperative visual quality after SMILE and LASEK for high myopia: A 1-year outcome

Zhu

Zou

et al. 2017

PLoS ONE

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PurposeTo compare the 1-year outcome of visual quality after laser-assisted subepithelial keratomileusis (LASEK) and femtosecond laser-assisted small incision lenticule extraction (SMILE) for high myopia correction.Materials and methodsThis prospective, comparative study included 24 eyes of 24 patients in the LASEK group, with a mean spherical equivalent (SE) of -7.59 ± 1.32 diopters, and 26 eyes of 26 patients in the SMILE group, with a mean SE of -7.91 ± 1.08 diopters. Visual acuity, corneal topography, contrast sensitivity (CS), and wavefront aberrations were recorded preoperatively and compared with postoperative measurements. Objective scatter index (OSI) and modulation transfer function (MTF) cut-off frequency were measured 1 year postoperatively.ResultsOne year postoperatively, the two groups demonstrated no significant difference in the CS at all spatial frequencies. The increments of higher-order aberrations (HOAs) (HOA = 0.583 ± 0.210 μm), including spherical aberration (SA) (SA = 0.546 ± 0.249 μm), were higher (P < 0.05) in the LASEK group than those in the SMILE group (HOA = 0.451 ± 0.143 μm; SA = 0.450 ± 0.340 μm) after surgery. There were no significant differences in the increments of coma and trefoil aberrations between the two groups. The OSI and MTF cut-off frequency exhibited no significant differences between the two groups postoperatively. No vision-threatening complications were noted at any stage in either group.ConclusionsBoth LASEK and SMILE are safe and effective surgical options for the correction of high myopia. SMILE has a lower HOAs and SA induction rate 1 year postoperatively.

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Section: Discussionsupporting

confidence: 93%

“…Kulkarni et al reported 1-year visual and refractive outcomes of LASEK[ 8 ]. It was found that 84% of the treated eyes in the high myopia group attained a UCVA of 20/20 or better and that 60% achieved a CDVA of 20/15.…”

Section: Discussionmentioning

confidence: 99%

Comparison of postoperative visual quality after SMILE and LASEK for high myopia: A 1-year outcome

Zhu

Zou

et al. 2017

PLoS ONE

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“…At postoperative 6 months, the safety index of the MEL 90 was 1.12 ± 0.15 and no eyes demonstrated a loss in CDVA, indicating the safety of LASEK with the MEL 90 Triple-A profile, which was consistent with the results after MEL 80 and previous studies [18, 19]. However, there were still some reports about postoperative complications such as haze, regression, and infection [21, 22].…”

Section: Discussionsupporting

confidence: 86%

“…Previous studies have reported regression and instability after LASEK [19, 21], while no such complications were observed in our study; this may be relative to the Triple-A ablation profile and a patient’s refraction. There are some limitations in this study.…”

Section: Discussioncontrasting

confidence: 51%

A pilot study: LASEK with the Triple-A profile of a MEL 90 for mild and moderate myopia

et al. 2017

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BackgroundTo investigate the visual and refractive outcomes in patients with mild to moderate myopia after laser-assisted subepithelial keratectomy (LASEK) using the 500 Hz pulse rate of the Triple-A profile.MethodsThirty-six eyes of 20 patients (mean age, 27.5 ± 4.6 years) were included in this prospective, consecutive study. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), corneal topography, and corneal aberrations were measured preoperatively and 1 day, 1 week, 1, 3 and 6 months post-operation.ResultsAt 1 week after surgery, UDVA was better than or equal to 20/25 in all eyes. At postoperative 6 months, the efficacy and safety index was 1.05 ± 0.13 and 1.12 ± 0.15, respectively; all eyes had a UDVA of 20/20 or better, and no eyes showed a loss in CDVA; 100% of the eyes were within ±1.00 D of the attempted spherical equivalent (SE) correction.ConclusionThe postoperative results indicate that using the Triple-A ablation profile of the MEL 90 excimer laser with a 500 Hz pulse rate is a safe, efficient, and predictable method to correct mild to moderate myopia.

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Long term results of Epi-LASIK and LASEK for myopia

Yüksel

Bi̇lgi̇han

Hondur

et al. 2014

Contact Lens and Anterior Eye

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Long-Term Visual and Refractive Outcomes following Surface Ablation Techniques in a Large Population for Myopia Correction

Abstract: At 1 year, there was no statistically significant difference in visual outcomes between techniques for any degree of myopia. However, the MRSE achieved with LASEK FO and Epi-LASIK FO were closer to emmetropia.

Cited by 8 publications

References 79 publications

Comparison of postoperative visual quality after SMILE and LASEK for high myopia: A 1-year outcome

Comparison of postoperative visual quality after SMILE and LASEK for high myopia: A 1-year outcome

A pilot study: LASEK with the Triple-A profile of a MEL 90 for mild and moderate myopia

Long term results of Epi-LASIK and LASEK for myopia

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