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Photorefractive Keratectomy

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121. Impact of corneal cross-linking combined with photorefractive keratectomy on blurring strength (PubMed)

Impact of corneal cross-linking combined with photorefractive keratectomy on blurring strength The aim of this study was to evaluate the impact of corneal cross-linking combined with photorefractive keratectomy (PRK) on blurring strength.A total of 63 patients with keratoconus were recruited for this study, and two study groups were formed according to the therapeutic intervention: corneal collagen cross-linking (CxL) group (33 patients) received corneal cross-linking according to the Dresden (...) protocol, while the rest additionally received topography-guided photorefractive keratectomy (tCxL). The impact of surgical procedure on blurring strength was assessed by power vector analysis. Potential association between blurring strength and vision-specific quality of life was assessed using the National Eye Institute Visual Function Questionnaire (NEI-VFQ) 25 instrument.Blurring strength presented excellent correlation with NEI-VFQ scores both preoperatively and postoperatively (all P<0.01). Both

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2016 Clinical ophthalmology (Auckland, N.Z.) Controlled trial quality: uncertain

122. Influence of a Therapeutic Soft Contact Lens on Epithelial Healing, Visual Recovery, Haze, and Pain After Photorefractive Keratectomy. (PubMed)

Influence of a Therapeutic Soft Contact Lens on Epithelial Healing, Visual Recovery, Haze, and Pain After Photorefractive Keratectomy. To examine the influence of a therapeutic soft contact lens (TSCL) after alcohol-assisted photorefractive keratectomy (PRK) on visual recovery, epithelial closure, pain perception, and haze formation.Prospective, randomized, single-center, contralateral eye, patient-masked study. Same surgeon treated 15 patients with bilateral PRK using a Vidaurri Fluid

2016 Eye & contact lens Controlled trial quality: uncertain

123. Vector Analysis of 1-Year Astigmatic Outcomes From a Randomized Fellow Eye Comparison of Photorefractive Keratectomy Using 2 Excimer Laser Platforms. (PubMed)

Vector Analysis of 1-Year Astigmatic Outcomes From a Randomized Fellow Eye Comparison of Photorefractive Keratectomy Using 2 Excimer Laser Platforms. To compare the astigmatic outcomes of photorefractive keratectomy (PRK) with a wavefront-guided (WFG) and a wavefront-optimized (WFO) excimer laser performed on two different platforms.Setting: institutional.Prospective, randomized, fellow eye comparison clinical trial.A total of 142 eyes of 71 patients with myopia of 12 diopters (D) or less

2016 Eye & contact lens Controlled trial quality: uncertain

124. Comparison of Simulated Keratometric Changes Following Wavefront-Guided and Wavefront-Optimized Myopic Photorefractive Keratectomy. (PubMed)

Comparison of Simulated Keratometric Changes Following Wavefront-Guided and Wavefront-Optimized Myopic Photorefractive Keratectomy. To determine the relationship between change in simulated keratometry and corrected refractive error in both wavefront-guided and wavefront-optimized myopic photorefractive keratectomy (PRK), and to determine whether there is a difference in this relationship between these two ablation profiles.Sixty-eight patients received wavefront-guided PRK in one eye

2016 Journal of Refractive Surgery Controlled trial quality: uncertain

125. Visual and Refractive Outcomes of Photorefractive Keratectomy and Small Incision Lenticule Extraction (SMILE) for Myopia. (PubMed)

Visual and Refractive Outcomes of Photorefractive Keratectomy and Small Incision Lenticule Extraction (SMILE) for Myopia. To compare the refractive outcomes of small incision lenticule extraction (SMILE) with photorefractive keratectomy (PRK) using an aberration-free ablation profile.One eye of patients diagnosed as having myopia for bilateral refractive correction was randomly allocated to either PRK or SMILE. The primary outcome measures included refractive efficacy, predictability, safety

2016 Journal of Refractive Surgery Controlled trial quality: uncertain

126. Comparison of the effect of cycloplegic versus NSAID eye drops on pain after photorefractive keratectomy. (PubMed)

Comparison of the effect of cycloplegic versus NSAID eye drops on pain after photorefractive keratectomy. To compare the effect of Homatropine and Diclofenac eye drops for reducing pain after photorefractive keratectomy (PRK).This randomized, double-masked, interventional study included 32 patients (64 eyes) who underwent bilateral PRK. After operation, patients received Homatropine eye drops in one eye and Diclofenac eye drops in the fellow eye for 48 h. The level of pain was evaluated using (...) in the Diclofenac eyes (1.6 ± 1.8 vs 3.4 ± 2.8, P < 0.001 for VAS, 0.6 ± 0.6 vs 1.2 ± 0.9, P < 0.001 for VRS, and 3.3 ± 3.7 vs 6.5 ± 6.2, P < 0.001 for PRI). No case with delayed epithelial healing in both groups was observed.The effect of Homatropine seems to be lower compared to Diclofenac for reducing pain after photorefractive keratectomy.

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2016 Journal of current ophthalmology Controlled trial quality: uncertain

127. Comparison of the visual acuity after photorefractive keratectomy using Early Treatment Diabetic Retinopathy Study Chart and E-chart (PubMed)

Comparison of the visual acuity after photorefractive keratectomy using Early Treatment Diabetic Retinopathy Study Chart and E-chart To compare the visual responses of post refractive surgery's patients using Early Treatment Diabetic Retinopathy Study Chart (ETDRS) and E-chart with and without color filters.The uncorrected Logarithm of the Minimum Angle of Resolution Visual Acuity (LogMAR VA) of 70 patients with a mean age of 26.2 ± 3.76 years (from 19 to 34 years) who had undergone (...) Photorefractive Keratectomy (PRK) (the range of post operation refractive error: ±0.5 D) was measured under the light conditions of with and without asymmetrical glare by using red, green, and yellow filters and ETDRS chart and E-chart.In both light conditions of with and without glare, the mean visual acuity of the three filters in the right and left eyes was significantly better with the E-chart versus the ETDRS chart (P < 0.0001). Only in the glare light condition, the mean visual acuity of the left eye

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2016 Journal of current ophthalmology

128. Photorefractive keratectomy for patients with preoperative low Schirmer test value (PubMed)

Photorefractive keratectomy for patients with preoperative low Schirmer test value To compare dry eye signs and symptoms between patients with preoperative low and normal Schirmer test after Photorefractive keratectomy (PRK).In this prospective, nonrandomized, comparative case series, 76 eyes of 76 patients were preoperatively categorized into two groups according to selected criteria for characterization of tear film status: the low Schirmer test value (STV) group and the normal STV group

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2016 Journal of current ophthalmology

129. Comparison of bandage contact lens removal on the fourth versus seventh postoperative day after photorefractive keratectomy: A randomized clinical trial (PubMed)

Comparison of bandage contact lens removal on the fourth versus seventh postoperative day after photorefractive keratectomy: A randomized clinical trial To compare the outcomes of bandage contact lens (BCL) removal on the fourth versus seventh post-operative day following photorefractive keratectomy (PRK).This study recruited eyes of patients who underwent PRK surgery. The patients were randomly assigned to 2 groups. In Group 1 BCL was removed on the 4th postoperative day, while in Group 2, BCL

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2016 Journal of current ophthalmology Controlled trial quality: uncertain

130. Choroidal neovascularization following photorefractive keratectomy (PubMed)

Choroidal neovascularization following photorefractive keratectomy To describe a case of choroidal neovascularization (CNV) following photorefractive keratectomy (PRK) to correct myopia.We performed PRK in both eyes of a 20-year-old girl to correct myopia. Refractive error was -4.75 -2.25 × 5 in the right eye and -5.00 -1.25 × 180 in the left eye. Metamorphopsia was noticed by the patient in the right eye one month after the surgical procedure. The patient was referred 3 months later when

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2016 Journal of current ophthalmology

131. Stereoacuity after photorefractive keratectomy in myopia (PubMed)

Stereoacuity after photorefractive keratectomy in myopia Stereopsis, as a part of visual function, is the ability of differentiating between the two eyes' views (binocular disparity), due to the eyes' different positions. The aim of this study was to compare stereoscopic vision before and after photorefractive keratectomy (PRK) in myopia.In a prospective interventional case series study clinical trial, forty-eight myopic individuals (age range: 18-34 years) who had undergone PRK surgery

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2016 Journal of current ophthalmology

132. Effectiveness of Technolas torsional eye tracking system on visual outcomes after photorefractive keratectomy. (PubMed)

Effectiveness of Technolas torsional eye tracking system on visual outcomes after photorefractive keratectomy. To investigate the efficacy of Technolas 217Z eye tracking system (torsional component) in corneal surface irregularity and high order aberrations (HOAs) after photorefractive keratectomy.Patients with compound myopic astigmatism among persons demanding refractive surgery in Khatam-al-Anbia Eye Hospital with the mean age of 29 years were enrolled in this double-blind randomized

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2016 Journal of current ophthalmology Controlled trial quality: uncertain

133. Comparison of postoperative pain following laser-assisted subepithelial keratectomy and transepithelial photorefractive keratectomy: a prospective, random paired bilateral eye study. (PubMed)

Comparison of postoperative pain following laser-assisted subepithelial keratectomy and transepithelial photorefractive keratectomy: a prospective, random paired bilateral eye study. To compare postoperative pain following laser-assisted subepithelial keratectomy (LASEK) and transepithelial photorefractive keratectomy (T-PRK, two-step surgery) and alleviate postoperative subjective pain.Thirty patients (60 eyes) with myopia or myopic astigmatism were consecutively recruited

2015 Eye science Controlled trial quality: uncertain

134. Photorefractive keratectomy (PRK) versus laser assisted in situ keratomileusis (LASIK) for hyperopia correction. (PubMed)

Photorefractive keratectomy (PRK) versus laser assisted in situ keratomileusis (LASIK) for hyperopia correction. Hyperopia, or hypermetropia (also known as long-sightedness or far-sightedness), is the condition where the unaccommodating eye brings parallel light to a focus behind the retina instead of on it. Hyperopia can be corrected with both non-surgical and surgical methods, among them photorefractive keratectomy (PRK) and laser assisted In situ keratomileusis (LASIK). There is uncertainty

2009 Cochrane

135. Duration of steroid needed after photorefractive keratectomy with application of mitomycin-c: a systematic review and meta-analysis

Duration of steroid needed after photorefractive keratectomy with application of mitomycin-c: a systematic review and meta-analysis 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

2018 PROSPERO

136. Flap lift and photorefractive keratectomy enhancements after primary laser in situ keratomileusis using a wavefront-guided ablation profile: Refractive and visual outcomes. (PubMed)

Flap lift and photorefractive keratectomy enhancements after primary laser in situ keratomileusis using a wavefront-guided ablation profile: Refractive and visual outcomes. To analyze results of wavefront-guided laser vision correction retreatments performed either by lifting the original flap or by surface ablation over the flap.Optical Express, Glasgow, United Kingdom.Retrospective case series.This retrospective study included patients grouped according to whether they had flap lift (...) enhancement or photorefractive keratectomy (PRK) performed over the LASIK flap. All retreatment procedures were performed with the Visx Star S4 IR excimer laser with wavefront-guided ablation profile derived from the iDesign aberrometer. Visual acuities, refractive outcomes, vector analysis of refractive cylinder and complications were analyzed in this study. The results of the last available clinical visit are presented.This retrospective study included 290 eyes of 202 patients divided into 2 groups: 119

2015 Journal of cataract and refractive surgery

137. Corneal Complications During and After Vitrectomy for Retinal Detachment in Photorefractive Keratectomy Treated Eyes. (PubMed)

Corneal Complications During and After Vitrectomy for Retinal Detachment in Photorefractive Keratectomy Treated Eyes. To evaluate the occurrence of late-onset corneal haze (LOCH) after vitrectomy for rhegmatogenous retinal detachment (RRD) in photorefractive keratectomy (PRK)-treated eyes. This observational cohort study comprised 13 eyes of 13 patients who underwent vitrectomy for RRD and who had been subjected to PRK years earlier. The occurrence of LOCH was evaluated together with all

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2015 Medicine

138. Fifteen years follow-up of photorefractive keratectomy up to 10 D of myopia: outcomes and analysis of the refractive regression. (PubMed)

Fifteen years follow-up of photorefractive keratectomy up to 10 D of myopia: outcomes and analysis of the refractive regression. To evaluate outcomes of photorefractive keratectomy up to -10.00 D of myopia and -4.50 of astigmatism and to develop a predictive model for the refractive changes in the long term.Vissum Corporation and Miguel Hernandez University (Alicante, Spain).Retrospective-prospective observational series of cases.This study included 33 eyes of 33 patients aged 46.79±7.04 years (...) during the follow-up.Photorefractive keratectomy is a safe refractive procedure in the long term within the range of myopia currently considered suitable for its use, although its efficacy decreases with time, especially, in high myopia. The model developed predicts a myopic regression of 2.00 D at 15 years for an ablation depth of 130 µm.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products

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2015 British Journal of Ophthalmology

139. Epipolis-laser in situ keratomileusis versus photorefractive keratectomy for the correction of myopia: a meta-analysis. (PubMed)

Epipolis-laser in situ keratomileusis versus photorefractive keratectomy for the correction of myopia: a meta-analysis. It is unclear whether epipolis-laser in situ keratomileusis (Epi-LASIK) has any significant advantage over photorefractive keratectomy (PRK) for correcting myopia. We undertook this meta-analysis of randomized controlled trials and cohort studies to examine possible differences in efficacy, predictability, and side effects between Epi-LASIK and PRK for correcting myopia

2015 International ophthalmology

140. Photorefractive keratectomy in 22 adult eyes with infantile nystagmus syndrome. (PubMed)

Photorefractive keratectomy in 22 adult eyes with infantile nystagmus syndrome. To analyze visual and refractive outcomes of photorefractive keratectomy (PRK) in adult patients with infantile nystagmus syndrome.Ophthalmology Unit, Department of Experimental Diagnostic and Specialty Medicine, Saint Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.Retrospective case series.Photorefractive keratectomy was performed in both eyes of patients with infantile nystagmus syndrome under

2015 Journal of cataract and refractive surgery

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