One-year results of excimer laser in situ keratomileusis for hyperopia

Llovet, Fernando; Galal, Ahmed; Benitez-del-Castillo, Jose-Manuel; Ortega, Jerónimo Barrera; Martin, Carol; Baviera, Julio

doi:10.1016/j.jcrs.2009.03.014

Cited by 31 publications

(23 citation statements)

References 30 publications

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“…MRSE at the last follow-up visit of 55.88% and 85.30% of the study eyes was within ±0.50 D and ±1.0 D of the intended MRSE, respectively, which reflects the refractive accuracy of hyperopic LASIK using the 213 nm laser. This is in accordance with other studies using the conventional excimer laser [2, 4, 5, 7, 14, 15, 18–21]. The mean difference between the preoperative and postoperative K values of 2.71 D, which is close to the attempted hyperopic correction of 3.22 D, further mirrors its accuracy in terms of ablation profile.…”

Section: Discussionsupporting

confidence: 91%

“…This technique combines the wound healing advantages of lamellar procedures with the precision of excimer laser. Several reports have been published regarding its predictability and stability especially for low-to-moderate hyperopic refractive errors [2, 5, 7, 14–19]. …”

Section: Discussionmentioning

confidence: 99%

“…Other published works reported refractive stability after the first month [14], at 3 months [17], and at 6 months [15, 22]. Regression was also noted at various postoperative periods, starting at 1 month [14], 3 months [15], and 1 year [5, 16]. In the Beaver Dam Eye Study [23], the mean hyperopic shift over a 5-year period was +0.12 D in a population consisting of individuals aged 43–84 years.…”

Section: Discussionmentioning

confidence: 99%

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Long-Term Followup of LaserIn SituKeratomileusis for Hyperopia Using a 213 nm Wavelength Solid-State Laser

Quito

Agahan

Evangelista³

2013

ISRN Ophthalmology

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Purpose. To evaluate the long-term efficacy, accuracy, stability, and safety of hyperopic laser in situ keratomileusis (LASIK) using a 213 nm wavelength solid-state laser. Methods. This prospective noncomparative case series consisted of 34 eyes of 17 patients which underwent hyperopic LASIK using a 213 nm solid-state laser (Pulzar Z1, CustomVis) at an outpatient refractive surgery center in Manila, Philippines. The preoperative and postoperative examinations included uncorrected distance visual acuity (UDVA), subjective manifest refraction, corrected distance visual acuity (CDVA), cycloplegic refraction, slitlamp biomicroscopy, and keratometry (K). Main Outcome Measures. Accuracy, efficacy, stability, and safety of the refractive procedure. Results. Mean follow-up was 25.18 ± 13.79 months. At the end of follow-up, 26.47% had a UDVA of 20/20 and 94.12% had a UDVA of ≥20/40. Manifest refractive spherical equivalent (MRSE) was within ±0.50 D of the target refraction in 55.88% and within ±1.0 D in 85.30% of the study eyes. Refractive stability was noted in the 1st postoperative month while hyperopic regression was noted after the 3rd postoperative year. No eye lost more than 2 lines of CDVA. Conclusion. Our results show that the 213 nm solid state laser system is safe, effective, accurate, and predictable for the treatment of hyperopia.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Long-Term Followup of LaserIn SituKeratomileusis for Hyperopia Using a 213 nm Wavelength Solid-State Laser

Quito

Agahan

Evangelista³

2013

ISRN Ophthalmology

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“…A loss of high-contrast CDVA has been reported after nonwavefront-guided LASIK for hyperopia [6][7][8] ; however, Kezirian et al 9 report refractive stability in 93.7% of eyes (119/127) between 6 months and 3 years or longer using wavefront-optimized LASIK for hyperopia. In our study, there was no statistically significant change in high-contrast CDVA over time, including no overall loss.…”

Section: Discussionmentioning

confidence: 99%

Outcomes of wavefront-guided laser in situ keratomileusis for hyperopia

Keir¹,

Simpson²,

Hutchings³

et al. 2011

Journal of Cataract and Refractive Surgery

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“…Further, strong adhesion of the flap in the postoperative period may produce a stronger biomechanical flap stability (20). Several studies (3–9, 13, 15, 26–32) reported the outcome of excimer laser photoablation to correct hyperopia with different platforms with variable follow-up periods. These studies showed a high safety profile of the procedure with good efficacy and predictability except in high hyperopic correction (13).…”

Section: Discussionmentioning

confidence: 99%

Assessment of refractive outcome of femtosecond-assisted LASIK for hyperopia correction

El-Naggar¹,

Hovaghimian²

2017

Electron physician

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IntroductionLaser vision correction for hyperopia is challenging. The purpose of the study was to assess the refractive outcomes of femtosecond-assisted laser in situ keratomileusis (LASIK) for hyperopic correction using wavefront-optimized ablation profiles.MethodsThis retrospective case series study included 20 Egyptian patients (40 eyes) with hyperopia or hyperopic astigmatism with a mean manifest refraction spherical equivalent (MRSE) of +2.55D±1.17 (range from +1.00 to +6.00) who had uneventful femtosecond-a assisted LASIK with wavefront-optimized aspheric ablation profile using refractive surgery suite (WaveLight FS200 Femtosecond Laser and WaveLight EX500 Excimer Laser) performed in the Research Institute of Ophthalmology and International Eye Hospital, Giza, Egypt. Statistical analysis was done using Microsoft Excel (Microsoft Corporation, Seattle, WA, USA).ResultsThe procedure significantly reduced the MRSE and cylinder post-operatively (95% were ± 0.50D and 100% ± 1.00 D), with stability of refraction and UDVA over the follow-up period (up to 12 months) after surgery. No eye lost any line of the CDVA, which reflects the excellent safety profile of the procedure; on the other hand, one eye (5%) gained one line and one eye (5%) even gained two lines. There were no significant complications during the procedure.ConclusionsFemtosecond-assisted laser in situ keratomileusis for hyperopia showed predictable, effective, and safe refractive outcomes that were stable through 12 months. Longer follow-up period is required to detect any further regression

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One-year results of excimer laser in situ keratomileusis for hyperopia

Abstract: Excimer laser LASIK was safe and effective for treating hyperopia up to +6.25 D with no further loss of CDVA lines after enhancement.

Cited by 31 publications

References 30 publications

Long-Term Followup of LaserIn SituKeratomileusis for Hyperopia Using a 213 nm Wavelength Solid-State Laser

Long-Term Followup of LaserIn SituKeratomileusis for Hyperopia Using a 213 nm Wavelength Solid-State Laser

Outcomes of wavefront-guided laser in situ keratomileusis for hyperopia

Assessment of refractive outcome of femtosecond-assisted LASIK for hyperopia correction

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