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Photorefractive Keratectomy

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81. Corneal densitometry after photorefractive keratectomy, laser-assisted in situ keratomileusis, and small-incision lenticule extraction (PubMed)

Corneal densitometry after photorefractive keratectomy, laser-assisted in situ keratomileusis, and small-incision lenticule extraction PurposeThe aim of this study was to gain greater insight into the corneal densitometry changes occurring as a result of refractive surgery and to compare these changes across three widely used surgical techniques, namely, photorefractive keratectomy (PRK), laser-assisted in situ keratomileusis with a femtosecond laser (LASIK-FS), or ReLEx small-incision

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2017 Eye

82. Photorefractive keratectomy in the management of postradial keratotomy hyperopia and astigmatism (PubMed)

Photorefractive keratectomy in the management of postradial keratotomy hyperopia and astigmatism The aim of this study is to evaluate the results of photorefractive keratectomy (PRK) in the management of postoperative hyperopia and astigmatism in patients with history of radial keratotomy (RK).This prospective nonrandomized noncomparative interventional case series enrolled consecutive eyes treated with PRK after RK. In cases, in which (1) wavefront (WF) scan was undetectable during primary

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2017 Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences

83. Risk Assessment for Corneal Ectasia following Photorefractive Keratectomy (PubMed)

Risk Assessment for Corneal Ectasia following Photorefractive Keratectomy To analyze the risk factors associated with a series of ectasia cases following photorefractive keratectomy (PRK) and all published cases.In a retrospective study on post-PRK ectasia patients, 9 eyes of 7 patients were included, in addition to 20 eyes of 13 patients from the literature. Risk of post-PRK ectasia was calculated using the ectasia risk score system (ERSS) for laser in situ keratomileusis (LASIK) patients

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2017 Journal of ophthalmology

84. Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis (PubMed)

Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis Purpose. To evaluate the safety, efficacy, and predictability of photorefractive keratectomy (PRK) on the corneal flap for correction of residual myopia following myopic laser in situ keratomileusis (LASIK). Patients and Methods. A retrospective study on eyes retreated by PRK on the corneal flap for residual myopia after LASIK. All eyes had no enough stroma after LASIK sufficient for LASIK enhancement

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2017 Journal of ophthalmology

85. Comparison of microkeratome assisted sub-Bowman keratomileusis with photorefractive keratectomy (PubMed)

Comparison of microkeratome assisted sub-Bowman keratomileusis with photorefractive keratectomy To compare the outcomes of photorefractive keratectomy (PRK) and thin-flap Laser-Assisted in Situ Keratomileusis/sub-Bowman keratomileusis (SBK) with intended flap thicknesses of 100 μm using the One Use-Plus SBK microkeratome.Ninety-eight eyes of 52 subjects with myopic manifest refraction spherical equivalent (MRSE) of up to -5 diopters (D), a stable refraction for 1 year and a corrected distance

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2017 Saudi Journal of Ophthalmology

86. Corneal biomechanical properties after laser-assisted in situ keratomileusis and photorefractive keratectomy (PubMed)

Corneal biomechanical properties after laser-assisted in situ keratomileusis and photorefractive keratectomy The purpose of this study was to evaluate the effects of laser-assisted in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) on corneal biomechanical properties.We used the ocular response analyzer to measure corneal hysteresis (CH) and corneal resistance factor (CRF) before and after refractive surgery.In all, 230 eyes underwent LASIK and 115 eyes underwent PRK without

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2017 Clinical ophthalmology (Auckland, N.Z.)

87. A Comparison of Visual Outcomes and Patient Satisfaction Between Photorefractive Keratectomy and Femtosecond Laser-Assisted In Situ Keratomileusis (PubMed)

A Comparison of Visual Outcomes and Patient Satisfaction Between Photorefractive Keratectomy and Femtosecond Laser-Assisted In Situ Keratomileusis Purpose To compare visual outcomes and satisfaction among patients of photorefractive keratectomy (PRK; Wavelight EX 500, Alcon, Ft Worth, TX, USA) and femtosecond laser-assisted in situ keratomileusis (FAL; Wavelight FS 200 laser and Wavelight EX 500, Alcon, Ft Worth, TX, USA). Methods We performed a retrospective study of 409 eyes in 207 patients

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2017 Cureus

88. Management of post-photorefractive keratectomy pain. (PubMed)

Management of post-photorefractive keratectomy pain. Photorefractive keratectomy (PRK) is a refractive procedure gaining popularity that eliminates the risk of ectasia and flap complications that can occur after laser in situ keratomileusis. Post-operative discomfort is a major drawback after PRK and thus the management of pain and discomfort following PRK is of great importance. We summarize corneal pain pathways and summarize current approaches to pain management after PRK. Copyright © 2013

2017 Survey of Ophthalmology

89. Prospective study of photorefractive keratectomy for myopia using the VISX StarS2 excimer laser system. (PubMed)

Prospective study of photorefractive keratectomy for myopia using the VISX StarS2 excimer laser system. To evaluate the safety, efficacy, and predictability of excimer laser photorefractive keratectomy (PRK) for compound myopic astigmatism using the VISX StarS2 excimer laser system with international version 3.1 software.We report a prospective consecutive study of myopic excimer laser PRK, performed in a multi-surgeon environment with 200 eyes of 117 patients, to correct naturally occurring

2017 Journal of Refractive Surgery

90. Correlation of changes in refraction and corneal topography after photorefractive keratectomy. (PubMed)

Correlation of changes in refraction and corneal topography after photorefractive keratectomy. To establish which corneal power evaluation measured with corneal topography correlates best with refractive changes after photorefractive keratectomy (PRK) for myopia.Two hundred fifty-one consecutive eyes of 171 patients who had PRK for myopia ranging from -14.80 to -0.50 D (mean -5.43 +/- 2.978 D), calculated at the corneal plane, were included in the analysis. Data included preoperative

2017 Journal of Refractive Surgery

91. First results with wavefront-guided photorefractive keratectomy for hyperopia. (PubMed)

First results with wavefront-guided photorefractive keratectomy for hyperopia. To compare the results of traditional laser photoablation and wavefront-supported customized ablation (WASCA) in hyperopic photorefractive keratectomy (H-PRK).This was a prospective study, comparing two treatment groups, each comprising 40 eyes of 20 patients. Wavefront aberrations were examined using a Shack-Hartmann aberrometer. Preoperative refraction was similar in the two groups; in the traditional H-PRK group

2017 Journal of Refractive Surgery

92. Central corneal haze increased by radial keratotomy following photorefractive keratectomy. (PubMed)

Central corneal haze increased by radial keratotomy following photorefractive keratectomy. To report a case of central corneal haze induced by minimally invasive radial keratotomy (mini-RK) after photorefractive keratectomy (PRK) and subsequent deep lamellar keratoplasty.We report a case (one eye of one patient) of central corneal haze that worsened after mini-RK was performed 2 years following PRK. Four years later, a second PRK was done, myopic regression was subsequently observed

2017 Journal of Refractive Surgery

93. The safety and efficacy of photorefractive keratectomy after laser in situ keratomileusis. (PubMed)

The safety and efficacy of photorefractive keratectomy after laser in situ keratomileusis. To determine the safety and efficacy of performing photorefractive keratectomy (PRK) in corneas previously treated with laser in situ keratomileusis (LASIK) surgery.Fifteen eyes of 14 patients who had initially received LASIK for the treatment of myopia and compound myopic astigmatism were evaluated. Variables included existence of and/or type of flap complication associated with the original LASIK (...) . No eye developed significant haze or scarring.Photorefractive keratectomy may be a safe procedure to perform in corneas previously treated with LASIK surgery. Results show good reduction of refractive error and improvement of UCVA and BSCVA. A significant undercorrection of astigmatism was attributed to surgically induced astigmatism. Further studies are necessary to determine the long-term safety and stability of outcomes.

2017 Journal of Refractive Surgery

94. Efficacy and safety of a 3-month loteprednol etabonate 0.5% gel taper for routine prophylaxis after photorefractive keratectomy compared to a 3-month prednisolone acetate 1% and fluorometholone 0.1% taper (PubMed)

Efficacy and safety of a 3-month loteprednol etabonate 0.5% gel taper for routine prophylaxis after photorefractive keratectomy compared to a 3-month prednisolone acetate 1% and fluorometholone 0.1% taper To compare the outcome of photorefractive keratectomy (PRK) and complications in patients treated with either loteprednol etabonate 0.5% gel or prednisolone acetate 1% suspension and fluorometholone (fml) 0.1% suspension.John A Moran Eye Center, University of Utah, Salt Lake City, UT

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2017 Clinical ophthalmology (Auckland, N.Z.) Controlled trial quality: uncertain

95. Aspheric versus wavefront-guided aspheric photorefractive keratectomy in eyes with significant astigmatism. (PubMed)

Aspheric versus wavefront-guided aspheric photorefractive keratectomy in eyes with significant astigmatism. To compare the refractive and higher-order aberrations (HOAs) outcomes after photorefractive keratectomy (PRK) in patients with significant astigmatism using aspheric versus wavefront-guided aspheric profiles.Ophthalmic Research Center and Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Negah Eye Hospital, Tehran, Iran.Prospective randomized case series.One

2017 Journal of cataract and refractive surgery Controlled trial quality: uncertain

96. Clinical evaluation of corneal epithelialization after photorefractive keratectomy in a patient treated with Polydeoxyribonucleotide (PDRN) eye drops: a randomized, double-blind, placebo-controlled trial. (PubMed)

Clinical evaluation of corneal epithelialization after photorefractive keratectomy in a patient treated with Polydeoxyribonucleotide (PDRN) eye drops: a randomized, double-blind, placebo-controlled trial. The effect of polydeoxyribonucleotide (PDRN) eye drops vs placebo on corneal epithelial healing after photorefractive keratectomy (PRK) for correction of myopic and myopic-astigmatic defects was evaluated in a randomized, double-blind clinical trial. Primary endpoint for efficacy

2017 European journal of ophthalmology Controlled trial quality: predicted high

97. Quality of vision after wavefront-guided laser in situ keratomileusis or photorefractive keratectomy: Contralateral eye evaluation. (PubMed)

Quality of vision after wavefront-guided laser in situ keratomileusis or photorefractive keratectomy: Contralateral eye evaluation. To compare quality of vision between laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK).Byers Eye Institute, Stanford University School of Medicine, Palo Alto, California, USA.Prospective randomized case series.Patients had refractive surgery, with 1 eye treated with LASIK and the other with PRK. Eyes were randomized for dominance

2017 Journal of cataract and refractive surgery Controlled trial quality: uncertain

98. Efficacy of corneal cooling on postoperative pain management after photorefractive keratectomy: A contralateral eye randomized clinical trial (PubMed)

Efficacy of corneal cooling on postoperative pain management after photorefractive keratectomy: A contralateral eye randomized clinical trial To compare chilled and room temperature balanced salt solution (BSS) and bandage contact lens (BCL) on post photorefractive keratectomy (PRK) pain.In a prospective, single-masked, controlled eye study, one hundred eyes of fifty patients were divided into two groups which received room temperature or chilled BSS and BCL in each eye, and compared for post

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2017 Journal of current ophthalmology Controlled trial quality: uncertain

99. Astigmatic treatment with photorefractive keratectomy: Investigations of non-keratometric ocular astigmatism (PubMed)

Astigmatic treatment with photorefractive keratectomy: Investigations of non-keratometric ocular astigmatism To evaluate the effect of non-keratometric ocular astigmatisms on visual and refractive outcomes after photorefractive keratectomy (PRK) for correction of myopic astigmatisms.Seventy one eyes of 36 subjects were enrolled in this study. Patients underwent PRK for treatment of myopia. Subjects were evaluated for refractive error, keratometry, and visual acuity before and six months after

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2017 Journal of current ophthalmology

100. Early outcomes after small incision lenticule extraction and photorefractive keratectomy for correction of high myopia (PubMed)

Early outcomes after small incision lenticule extraction and photorefractive keratectomy for correction of high myopia We prospectively compared visual and refractive outcomes in patients with high myopia and myopic astigmatism after small-incision lenticule extraction (SMILE) and photorefractive keratetctomy (PRK) with mitomycin C. Sixty-six eyes of 33 patients (mean age, 29.7 ± 5.6 years) were included (SMILE: 34 eyes, PRK 32 eyes). Preoperatively, no significant difference was noted

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2016 Scientific reports

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