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Laser In-Situ Keratomileusis

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1. Refractory interface haze developing after epithelial ingrowth following laser in situ keratomileusis and small aperture corneal inlay implantation (PubMed)

Refractory interface haze developing after epithelial ingrowth following laser in situ keratomileusis and small aperture corneal inlay implantation To report the occurrence and the management of refractory interface haze that developed after epithelial ingrowth following small aperture inlay implantation.A 52 year-old man with sub-clinical anterior basement membrane dystrophy (ABMD) underwent combined hyperopic laser in situ keratomileusis and KAMRA corneal inlay implantation to correct

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2018 American journal of ophthalmology case reports

2. Intraocular pressure rises during laser in situ keratomileusis: Comparison of 3 femtosecond laser platforms. (PubMed)

Intraocular pressure rises during laser in situ keratomileusis: Comparison of 3 femtosecond laser platforms. To measure intraocular pressure (IOP) elevations in porcine eyes during laser in situ keratomileusis (LASIK) performed using 3 femtosecond laser platforms.Clínica Novovisión, Madrid, Spain.Experimental study.Three femtosecond devices, the iFS 150 kHz, which is the newest-generation IntraLase with a flat interface, and the Victus and LenSx, which are both dual femtosecond lasers (...) with curved interfaces, were used to create lamellar corneal flaps in freshly enucleated porcine eyes. The IOP was recorded during placement of the suction ring on the eye (suctioning phase) and during the intrastromal laser application for flap creation (cutting phase) using a manometric technique with direct cannulation to the anterior chamber.Twenty-one eyes were analyzed (7 per group). The mean IOP increase during suctioning was significantly higher with the iFS system (78.14 mm Hg ± 23.6 [SD]) than

2019 Journal of cataract and refractive surgery

3. Laser flap enhancement 5 to 9 years and 10 or more years after laser in situ keratomileusis: Safety and efficacy. (PubMed)

Laser flap enhancement 5 to 9 years and 10 or more years after laser in situ keratomileusis: Safety and efficacy. To study the safety and efficacy of refractive enhancement by flap lifting 5 and 10 years after laser in situ keratomileusis (LASIK).Vissum Alicante, Spain.Retrospective case series.Eyes with a flap lift at least 5 years after primary LASIK with a 3-month follow-up were evaluated. The primary outcome measures were safety and the complication rate. Moderate epithelial ingrowth (...) was managed with Nd:YAG laser treatment.The primary LASIK procedure was myopic in 45 eyes, hyperopic in 22 eyes, and presbyopic in 3 eyes. The mean time from primary LASIK to the flap lift was 12.3 years ± 3.45 (SD). In 57 eyes, the primary LASIK flap was created at least 10 years before the enhancement. The mean pre-lift spherical equivalent was -1.29 ± 1.23 diopters (D) in the myopia group and +0.65 ± 1.72 D in the hyperopia group. Three months later, 88% of eyes and 74% of eyes, respectively, had

2019 Journal of cataract and refractive surgery

4. Tear meniscus evaluation after microkeratome laser in situ keratomileusis, femtosecond laser and femtosmile laser techniques using anterior segment optical coherence tomography (PubMed)

Tear meniscus evaluation after microkeratome laser in situ keratomileusis, femtosecond laser and femtosmile laser techniques using anterior segment optical coherence tomography The purpose of this study was to compare the effects of three different corneal refractive surgeries: microkeratome laser in situ keratomileusis (LASIK), femtosecond laser in situ keratomileusis (FS-LASIK) and femtosecond small incision lenticule extraction (FS-SMILE) on 6-month postoperative stability of tear film (...) to provide a basis for selection of operative procedures.This is a prospective, randomized, comparative study that included 90 eyes of three equal groups of patients. Each group was subjected to a different laser technique: LASIK, FS-LASIK and FS-SMILE. Using anterior segment spectral domain optical coherence tomography (AS-SD-OCT), the lower tear meniscus parameters were measured preoperatively and 1 week, 1 month, 3 months and 6 months postoperatively. Changes were studied and compared.There

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2018 Clinical ophthalmology (Auckland, N.Z.) Controlled trial quality: uncertain

5. Femtosecond laser versus mechanical microkeratome use for laser-assisted in-situ keratomileusis (LASIK) [Cochrane protocol]

Femtosecond laser versus mechanical microkeratome use for laser-assisted in-situ keratomileusis (LASIK) [Cochrane protocol] Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. CRD bears no responsibility or liability for the content of this registration record, any associated files or external websites. Email salutation (e.g. "Dr Smith" or "Joanne") for correspondence

2018 PROSPERO

6. Comparative evaluation of visual outcomes and corneal asphericity after laser-assisted in situ keratomileusis with the six-dimension Amaris excimer laser system. (PubMed)

Comparative evaluation of visual outcomes and corneal asphericity after laser-assisted in situ keratomileusis with the six-dimension Amaris excimer laser system. To compare the visual and refractive outcomes after laser-assisted in situ keratomileusis (LASIK) surgery for correction of myopia or myopic astigmatism using a six-dimensional Amaris excimer laser.In this retrospective cohort study, we enrolled 47 eyes of 28 patients (age: 19-36 years) with myopia or myopic astigmatism. We used (...) the Custom Ablation Manager protocol and performed ablations with the SCHWIND AMARIS system. LASIK flaps were cut with an iFS Advanced Femtosecond Laser. Mean static (SCC) and dynamic cyclotorsion (DCC) were evaluated. Visual and refractive outcomes were evaluated during 6 months' follow-up. Corneal asphericity (Q-value) was analyzed at 4 months postoperatively.The spherical equivalent (SE) reduction was statistically significant reduce 1 day after refractive surgery (P < 0.001), with no additional

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2017 PLoS ONE

7. Three-year results of small incision lenticule extraction and wavefront-guided femtosecond laser-assisted laser in situ keratomileusis for correction of high myopia and myopic astigmatism (PubMed)

Three-year results of small incision lenticule extraction and wavefront-guided femtosecond laser-assisted laser in situ keratomileusis for correction of high myopia and myopic astigmatism To compare and calculate the 3-year refractive results, higher-order aberrations (HOAs), contrast sensitivity (CS) and dry eye parameters after small incision lenticule extraction (SMILE) and wavefront-guided femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for correction of high myopia (...) and myopic astigmatism.In this prospective, non-randomized comparative study, 78 eyes with spherical equivalent (SE) of -8.11±1.09 diopters (D) received a SMILE surgery, and 65 eyes with SE of -8.05±1.12 D received a wavefront-guided FS-LASIK surgery with the VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany) for flap cutting. Visual acuity, manifest refraction, CS, HOAs, ocular surface disease index (OSDI) and tear break-up time (TBUT) were evaluated during a 3-year follow-up.The difference

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2018 International journal of ophthalmology

8. Five-year follow-up of laser in situ keratomileusis for hyperopia using the Technolas Keracor 117C excimer laser. (PubMed)

Five-year follow-up of laser in situ keratomileusis for hyperopia using the Technolas Keracor 117C excimer laser. To evaluate safety, predictability, efficiency, and long-term stability of laser in situ keratomileusis (LASIK) for spherical hyperopia.This study was a retrospective 5-year analysis of 67 patients (125 eyes) who had LASIK for spherical hyperopia; preoperative mean manifest spherical equivalent refraction was +3.84+/-1.13 D (range +1.00 to +6.50 D) and mean astigmatism was 0.37 (...) +/-0.27 D (range 0 to 1.00 D). Preoperative spherical equivalent refraction for the low hyperopia group was +1.00 to +2.75 D; medium hyperopia group, +3.00 to +4.25 D, and high hyperopia group, +4.50 to +6.50 D. All surgeries were performed using the scanning Chiron Technolas Keracor 117C excimer laser. Uncorrected and best spectacle-corrected visual acuity, predictability, long-term stability of refraction, and complications were analyzed.At 5 years after hyperopic LASIK, mean spherical equivalent

2017 Journal of Refractive Surgery

9. Comparison of effective optical zone after small-incision lenticule extraction and femtosecond laser-assisted laser in situ keratomileusis for myopia. (PubMed)

Comparison of effective optical zone after small-incision lenticule extraction and femtosecond laser-assisted laser in situ keratomileusis for myopia. To compare the effective optical zone (EOZ) after small-incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK).Jinan Mingshui Eye Hospital, Jinan, China.Retrospective case series.Myopic patients who had small-incision lenticule extraction or FS-LASIK were enrolled in this retrospective study

2018 Journal of cataract and refractive surgery

10. Three-year outcomes of small incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for myopia and myopic astigmatism. (PubMed)

Three-year outcomes of small incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for myopia and myopic astigmatism. To compare long-term clinical outcomes following small incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for myopia and myopic astigmatism correction.In this retrospective study, we enrolled a total of 101 patients (101 eyes) who underwent SMILE or FS-LASIK 3 years

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2018 British Journal of Ophthalmology

11. Reproducibility of laser in situ keratomileusis flap thickness using a new multifunctional femtosecond laser platform and correlation with clinical preoperative measurements. (PubMed)

Reproducibility of laser in situ keratomileusis flap thickness using a new multifunctional femtosecond laser platform and correlation with clinical preoperative measurements. To analyze the reproducibility of laser in situ keratomileusis (LASIK) flap thickness (target 120 μm) using the multifunctional femtosecond laser (Lensx) and correlate postsurgical measurements with preoperative factors.Hospital Oftalmológico Visão Laser, Santos, São Paulo, Brazil.Prospective case series.Patients (...) were not predictive of the set of 20 postoperative measurements.Reproducibility of the multifunctional femtosecond laser was good for LASIK flap creation and no predictive correlation was found with preoperative clinical factors.Copyright © 2018 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved.

2018 Journal of cataract and refractive surgery

12. Femtosecond laser-assisted cataract surgery with implantation of a diffractive trifocal intraocular lens after laser in situ keratomileusis: a case report. (PubMed)

Femtosecond laser-assisted cataract surgery with implantation of a diffractive trifocal intraocular lens after laser in situ keratomileusis: a case report. We report for the first time, a case of femtosecond laser-assisted cataract surgery (FLACS) with implantation of a diffractive trifocal intraocular lens (IOL) after laser in situ keratomileusis (LASIK).A 60-year-old man underwent FLACS uneventfully 15 years after myopic LASIK. An AT Lisa tri 839MP IOL was implanted with the expectation

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2018 BMC Ophthalmology

13. Evaluation of a multifunctional femtosecond laser for the creation of laser in situ keratomileusis flaps. (PubMed)

Evaluation of a multifunctional femtosecond laser for the creation of laser in situ keratomileusis flaps. To characterize the performance of a multifunctional femtosecond laser system (Lensx) for the creation of laser in situ keratomileusis (LASIK) flaps.Two surgical sites in the United States.Prospective case series pilot study.Patients with myopia or hyperopia who were eligible for femtosecond laser-initiated LASIK surgery with corrected distance visual acuities (CDVA) correctable to at least (...) of 20/20. The most common ocular adverse event was punctate keratitis (11.7%).The multifunctional femtosecond laser system effectively created LASIK flaps that were high quality, accurate, and precise.Copyright © 2018 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved.

2018 Journal of cataract and refractive surgery

14. Analysis of planning strategies in primary eyes gaining a line or more of visual acuity after topography-guided laser in situ keratomileusis. (PubMed)

Analysis of planning strategies in primary eyes gaining a line or more of visual acuity after topography-guided laser in situ keratomileusis. To analyze planning strategies for eyes that gained 1 or more lines of corrected distance visual acuity (CDVA) after topography-guided custom treatment (TCAT).Refractive Surgery Clinic, Cleveland Clinic, Ohio, USA.Retrospective case series.Eyes having TCAT by the same surgeon between February 2016 and June 2017 were enrolled. The corneal shape (...) was captured with the Wavelight Allegretto Topolyzer diagnostic device coupled with refraction, generating an ablation profile. The cylinder magnitude and axis of laser entry were decided by the surgeon based on the manifest and measured values, assisted by additional data from the Pentacam Scheimpflug tomographer and Ladarwave ocular wavefront aberrometer.The study comprised 256 eyes. At 3 months, uncorrected distance visual acuity was 20/20 or better in 95.7% and 20/15 or better in 81.4%; 25.6% gained 1

2019 Journal of cataract and refractive surgery

15. Corneal aberrations after small-incision lenticule extraction versus Q value-guided laser-assisted in situ keratomileusis. (PubMed)

Corneal aberrations after small-incision lenticule extraction versus Q value-guided laser-assisted in situ keratomileusis. Previous studies compared ocular aberration and visual quality after small-incision lenticule extraction (SMILE) and Q value-guided femtosecond laser-assisted in situ keratomileusis (Q-FS-LASIK), but anterior corneal surface aberration properties are poorly known. This study aimed to compare the changes in anterior corneal surface aberration after SMILE versus Q-FS

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2019 Medicine

16. Assessment of surgical outcomes of femtosecond laser-assisted in situ keratomileusis in patients with low compliance to postoperative follow-up: a retrospective observational study in a tertiary hospital in China. (PubMed)

Assessment of surgical outcomes of femtosecond laser-assisted in situ keratomileusis in patients with low compliance to postoperative follow-up: a retrospective observational study in a tertiary hospital in China. Poor follow-up after femtosecond laser-assisted in situ keratomileusis (FS-LASIK) is common in general clinical practice. We aimed to assess the surgical outcomes of patients with poor compliance to FS-LASIK follow-up but who returned to the clinic with additional prompting at a 1

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2019 BMJ open

17. Patient-reported vision-related quality of life after bilateral wavefront-guided laser in situ keratomileusis. (PubMed)

Patient-reported vision-related quality of life after bilateral wavefront-guided laser in situ keratomileusis. To evaluate functional vision and quality-of-life outcomes after bilateral wavefront-guided laser in situ keratomileusis (LASIK).Byers Eye Institute, Stanford University School of Medicine, Palo Alto, California, USA.Prospective case series.Visual acuity, refractive error, and aberrometric measurements were obtained preoperatively and 1, 6, and 12 months after bilateral wavefront

2019 Journal of cataract and refractive surgery

18. Long-term corneal subbasal nerve plexus regeneration after laser in situ keratomileusis. (PubMed)

Long-term corneal subbasal nerve plexus regeneration after laser in situ keratomileusis. To analyze the recovery of the subbasal nerve plexus in corneas treated with laser in situ keratomileusis (LASIK) at least 10 years prior compared with nonoperated corneas.Clínica Novovisión, Madrid, Spain.Prospective nonrandomized observational study.Eyes that had LASIK surgery at least 10 years before (LASIK group) were compared with nonoperated healthy eyes (control group). The subbasal nerve plexus

2019 Journal of cataract and refractive surgery

19. Pregabalin Failed to Prevent Dry Eye Symptoms after Laser-Assisted in Situ Keratomileusis (LASIK) in a Randomized Pilot Study. (PubMed)

Pregabalin Failed to Prevent Dry Eye Symptoms after Laser-Assisted in Situ Keratomileusis (LASIK) in a Randomized Pilot Study. Perioperative pregabalin administration has been found to reduce the risk of persistent pain after a variety of surgical procedures. However, this approach has not been tested in relation to eye surgery. As such, the purpose of this study was to evaluate whether perioperative pregabalin can reduce the presence of dry eye (DE) symptoms, including eye pain, six months (...) after laser-assisted in situ keratomileusis (LASIK).Prospective, masked, randomized single-center pilot study. Patients were treated with either pregabalin (oral solution of pregabalin 150 mg twice daily, first dose prior to surgery, continued for a total of 28 doses over 14 days) or placebo solution. The primary outcome was dry eye symptoms as measured by the Dry Eye Questionnaire 5 (DEQ-5). Secondary outcome measures included pain-related eye symptoms.In total, 43 individuals were enrolled

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2019 Journal of clinical medicine Controlled trial quality: uncertain

20. Topography-guided versus wavefront-optimized laser in situ keratomileusis for myopia: Surgical outcomes. (PubMed)

Topography-guided versus wavefront-optimized laser in situ keratomileusis for myopia: Surgical outcomes. To compare the outcomes of topography-guided and wavefront-optimized surgery in patients having laser in situ keratomileusis (LASIK) for myopia.Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, and BALGEUN-EYE21 Operation Center, Gwangju, South Korea.Prospective case study.Patients had topography-guided LASIK in 1 eye and wavefront-optimized LASIK (...) in the contralateral eye using Contoura Vision software and the WaveLight EX500 excimer laser. Refractive and visual outcomes were analyzed 3 months postoperatively.The study comprised 43 patients. In both groups, the postoperative uncorrected distance visual acuity (UDVA) was 0.0 logarithm of the minimum angle of resolution or better in 90.7% of eyes and the residual spherical equivalent (SE) refractive error was ±0.75 diopter (D) in 81.4% of eyes. The UDVA, residual SE refractive error, and astigmatism did

2019 Journal of cataract and refractive surgery

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