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https://www.readbyqxmd.com/read/28068448/photorefractive-keratectomy-with-mitomycin-c-in-meesmann-s-epithelial-corneal-dystrophy
#1
Ramon Coral Ghanem, André Luís Piccinini, Vinícius Coral Ghanem
PURPOSE: To describe a case of Meesmann's epithelial corneal dystrophy that underwent photorefractive keratectomy (PRK) with mitomycin C. METHODS: Case report. RESULTS: A 36-year-old woman was evaluated for refractive surgery. She had a history of recurrent epithelial erosions and moderate visual loss over the past 10 years. Biomicroscopy revealed bilateral micro-cystic epithelial lesions and a diagnosis of Meesmann's epithelial corneal dystrophy was proposed...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28068444/effectiveness-of-an-eyelid-thermal-pulsation-procedure-to-treat-recalcitrant-dry-eye-symptoms-after-laser-vision-correction
#2
Craig S Schallhorn, Julie M Schallhorn, Stephen Hannan, Steven C Schallhorn
PURPOSE: To provide an initial retrospective evaluation of the effectiveness of a thermal pulsation system to treat intractable patient-reported dye eye symptoms following laser vision correction. METHODS: A total of 109 eyes of 57 patients underwent thermal pulsation therapy (LipiFlow; TearScience, Morrisville, NC) for the treatment of dry eye symptoms following laser vision correction. A standardized dry eye questionnaire, the Standard Patient Evaluation of Eye Dryness (SPEED II), was administered to all patients before and after thermal pulsation therapy...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28051986/wavefront-guided-versus-wavefront-optimized-photorefractive-keratectomy-visual-and-military-task-performance
#3
Denise S Ryan, Rose K Sia, Richard D Stutzman, Joseph F Pasternak, Robin S Howard, Christopher L Howell, Tana Maurer, Mark F Torres, Kraig S Bower
PURPOSE: To compare visual performance, marksmanship performance, and threshold target identification following wavefront-guided (WFG) versus wavefront-optimized (WFO) photorefractive keratectomy (PRK). METHODS: In this prospective, randomized clinical trial, active duty U.S. military Soldiers, age 21 or over, electing to undergo PRK were randomized to undergo WFG (n = 27) or WFO (n = 27) PRK for myopia or myopic astigmatism. Binocular visual performance was assessed preoperatively and 1, 3, and 6 months postoperatively: Super Vision Test high contrast, Super Vision Test contrast sensitivity (CS), and 25% contrast acuity with night vision goggle filter...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28007105/outcomes-and-complications-of-excimer-laser-surgery-in-patients-with-collagen-vascular-and-other-immune-mediated-inflammatory-diseases
#4
Julie M Schallhorn, Steven C Schallhorn, Keith A Hettinger, Jan A Venter, Martina Pelouskova, David Teenan, Stephen J Hannan
PURPOSE: To assess refractive and visual outcomes and postoperative complications in a large number of patients with well-controlled collagen vascular and other immune-mediated inflammatory diseases. SETTING: Optical Express, Glasgow, United Kingdom. DESIGN: Retrospective case series. METHODS: The files were reviewed of patients who had collagen vascular and other immune-mediated inflammatory diseases and who had excimer laser surgery between 2008 and 2015...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28003777/correlation-between-practice-location-as-a-surrogate-for-uv-exposure-and-practice-patterns-to-prevent-corneal-haze-after-photorefractive-keratectomy-prk
#5
Eman M Al-Sharif, Donald U Stone
BACKGROUND: PRK is a refractive surgery that reshapes the corneal surface by excimer laser photoablation to correct refractive errors. The effect of increased ultraviolet (UV) exposure on promoting post-PRK corneal haze has been reported in the literature; however, information is lacking regarding the effect of ambient UV exposure on physician practice patterns. The aim of this study was to evaluate the effect of ophthalmologists' practice location on their reported practice patterns to prevent post-PRK corneal haze...
October 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28002091/vector-analysis-of-1-year-astigmatic-outcomes-from-a-randomized-fellow-eye-comparison-of-photorefractive-keratectomy-using-2-excimer-laser-platforms
#6
Brian C Toy, Edward E Manche
OBJECTIVE: 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. METHODS: Setting: institutional. DESIGN: Prospective, randomized, fellow eye comparison clinical trial. PARTICIPANTS: A total of 142 eyes of 71 patients with myopia of 12 diopters (D) or less and astigmatism of 3D or less were enrolled at the Byers Eye Institute at Stanford between April 2009 and March 2011...
December 19, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27994803/transepithelial-photorefractive-keratectomy-for-low-to-moderate-myopia-in-comparison-with-conventional-photorefractive-keratectomy
#7
Mostafa Naderi, Khosrow Jadidi, Seyed Aliasghar Mosavi, Seyed Aref Daneshi
PURPOSE: To compare the effectiveness, safety and stability of the results of transepithelial photorefractive keratectomy (tPRK) with conventional photorefractive keratectomy (PRK) for low to moderate myopia. METHODS: In this prospective non-randomized case-control study, patients with low to moderate myopia were assigned to the tPRK group (cases) or the PRK group (controls). In the tPRK group, eyes were treated using the Amaris excimer laser (SCHWIND eye-tech-solutions GmbH and Co...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27994802/comparison-of-higher-order-aberrations-after-wavefront-guided-lasik-and-prk-one-year-follow-up-results
#8
Seyed Hamid Reza Jahadi Hosseini, Seyed Mohammad Bagher Abtahi, Mohammad Reza Khalili
PURPOSE: To evaluate the changes and predictability of higher order aberrations (HOAs) after personalized laser in situ keratomileusis (LASIK) and personalized photorefractive keratectomy (PRK) for simple myopia and compound myopic astigmatism. METHODS: In this prospective cross-sectional study, 100 eyes were included. A total of 50 eyes underwent personalized LASIK and 50 eyes underwent personalized PRK. Preoperative and postoperative wavefront data were compared between the two groups...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27956824/short-term-visual-result-after-simultaneous-photorefractive-keratectomy-and-small-aperture-cornea-inlay-implantation
#9
Majid Moshirfar, Ryan T Wallace, David F Skanchy, Jordan D Desautels, Steven H Linn, Phillip C Hoopes, Daniel S Durrie
PURPOSE: To report the short-term results of simultaneous photorefractive keratectomy (PRK) and small-aperture cornea inlay implantation (KAMRA) surgery in treating presbyopia. METHODS: Simultaneous PRK and KAMRA inlay surgery was performed on 21 patients from July 2015 to March 2016. Follow-up exams were conducted at 1, 3, and 6 months postoperatively. Our patients were also divided preoperatively into three categories: myopic, hyperopic, and emmetropic. Over the 6-month period, the main outcome measures were uncorrected near visual acuity (UNVA), changes in best-corrected distance visual acuity, and mean spherical equivalent refraction...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27956284/myopia-correction-with-transepithelial-photorefractive-keratectomy-versus-femtosecond-assisted-laser-in-situ-keratomileusis-one-year-case-matched-analysis
#10
Michiel H A Luger, Tobias Ewering, Samuel Arba-Mosquera
PURPOSE: To compare the postoperative clinical outcomes of single-step transepithelial photorefractive keratectomy (PRK) and femtosecond-assisted laser in situ keratomileusis (LASIK). SETTING: Bergman Clinics, Utrecht, the Netherlands. DESIGN: Retrospective case series. METHODS: The eyes of consecutive patients who had transepithelial PRK were retrospectively compared with the same number of case-matched eyes (based on the preoperative refractive components) treated with femtosecond-assisted LASIK...
November 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27956283/single-step-transepithelial-photorefractive-keratectomy-in-myopia-and-astigmatism-18-month-follow-up
#11
Soheil Adib-Moghaddam, Saeed Soleyman-Jahi, Bahram Salmanian, Amir-Houshang Omidvari, Fatemeh Adili-Aghdam, Farsad Noorizadeh, Medi Eslani
PURPOSE: To evaluate the long-term quantitative and qualitative optical outcomes of 1-step transepithelial photorefractive keratectomy (PRK) to correct myopia and astigmatism. SETTING: Bina Eye Hospital, Tehran, Iran. DESIGN: Prospective interventional case series. METHODS: Eyes with myopia with or without astigmatism were evaluated. One-step transepithelial PRK was performed with an aberration-free aspheric optimized profile and the Amaris 500 laser...
November 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27941045/single-step-transepithelial-versus-alcohol-assisted-photorefractive-keratectomy-in-the-treatment-of-high-myopia-a-comparative-evaluation-over-12%C3%A2-months
#12
Rafic Antonios, Maamoun Abdul Fattah, Samuel Arba Mosquera, Bachir H Abiad, Karim Sleiman, Shady T Awwad
BACKGROUND/AIMS: To evaluate refractive outcomes of single-step transepithelial photorefractive keratectomy (TransPRK) versus alcohol-assisted PRK (EtOH-PRK) for the correction of high myopia. METHODS: This was a retrospective non-randomised comparative study conducted at the American University of Beirut Medical Center, Beirut, Lebanon. Eyes with myopia (spherical equivalent (SE) larger than -6.00 D) that had undergone EtOH-PRK treatment combined with mitomycin C and TransPRK (SE: -7...
December 9, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27938951/outcomes-of-photorefractive-keratectomy-following-laser-in-situ-keratomileusis-a-cohort-study
#13
Alfonso Iovieno, Joshua C Teichman, Stephanie Low, Sonia N Yeung, Marie Eve Lègarè, Alejandro D Lichtinger, Allan R Slomovic, David S Rootman
OBJECTIVE: To analyze the outcomes of photorefractive keratectomy (PRK) on residual myopia and hyperopia post-laser in situ keratomileusis (LASIK) and to compare these results with PRK on eyes without previous laser refractive surgery. DESIGN: Retrospective comparative cohort study. PARTICIPANTS: Patients undergoing PRK between 2006 and 2010 were reviewed. METHODS: Patients were divided into 4 groups, myopic or hyperopic PRK post-LASIK (mPRK-PL and hPRK-PL, respectively) and myopic or hyperopic PRK on corneas without previous laser refractive surgery (mPRK and hPRK, respectively)...
December 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27865691/-evaluation-of-vision-quality-after-laser-vision-correction-in-healthcare-professionals
#14
J Lellouch, A Saad, E Guilbert, D Gatinel
PURPOSE: Healthcare professionals require good quality of vision. The main objective of this study is to evaluate the satisfaction and vision quality after laser vision correction in healthcare professionals. METHODS: This is a monocentric retrospective study. An online 25-question survey was sent to ametropic physicians, surgeons and nurses who underwent corneal refractive surgery with laser-assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) between July 2012 and February 2016...
December 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27830202/comparison-of-the-visual-acuity-after-photorefractive-keratectomy-using-early-treatment-diabetic-retinopathy-study-chart-and-e-chart
#15
Saeedeh Ghorbanhosseini, Hassan Hashemi, Ebrahim Jafarzadehpur, Abbasali Yekta, Mehdi Khabazkhoob
PURPOSE: 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. METHODS: 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...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27830200/photorefractive-keratectomy-for-patients-with-preoperative-low-schirmer-test-value
#16
Elham Tanbakouee, Mohammad Ghoreishi, Mohammad Aghazadeh-Amiri, Mehdi Tabatabaee, Mohadeseh Mohammadinia
PURPOSE: To compare dry eye signs and symptoms between patients with preoperative low and normal Schirmer test after Photorefractive keratectomy (PRK). METHODS: 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. For the tear function assessment, we performed a Schirmer test with and without anesthesia, tear break-up time (TBUT) test, and measurement dry eye symptoms using the Farsi translation of Ocular Surface Disease Index (OSDI) questionnaire pre- and 3 months post-operation...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27824385/corneal-scheimpflug-densitometry-following-photorefractive-keratectomy-in-myopic-eyes
#17
Marie Boulze-Pankert, Romuald Dariel, Louis Hoffart
PURPOSE: To evaluate the modification of corneal optical densitometry following photorefractive keratectomy (PRK) using Scheimpflug topography. METHODS: Corneal densitometry (0 to 100 grayscale units [GSU]), pachymetry, and keratometry were evaluated using a rotating Scheimpflug camera (Pentacam HR; Oculus Optikgeräte, GmbH, Wetzlar, Germany) at baseline and 1 and 3 months following PRK in myopic patients. Subjective refraction, uncorrected distance visual acuity, corrected distance visual acuity, and corneal haze (0 to 4 on common subjective scale) were evaluated preoperatively at baseline, 1 month, and 3 months...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27800259/comparison-of-changes-in-corneal-biomechanical-properties-after-photorefractive-keratectomy-and-small-incision-lenticule-extraction
#18
Yusuf Yıldırım, Onur Ölçücü, Abdurrahman Başcı, Alper Ağca, Engin Bilge Özgürhan, Cengiz Alagöz, Ali Demircan, Ahmet Demirok
OBJECTIVES: To compare the postoperative biomechanical properties of the cornea after photorefractive keratectomy (PRK) and small incision lenticule extraction (SMILE) in eyes with low and moderate myopia. MATERIALS AND METHODS: We retrospectively examined 42 eyes of 23 patients undergoing PRK and 42 eyes of 22 patients undergoing SMILE for the correction of low and moderate myopia. Corneal hysteresis (CH) and corneal resistance factor (CRF) were measured with an Ocular Response Analyzer before and 6 months after surgery...
April 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/27757010/refractive-lenticule-extraction-relex-through-a-small-incision-smile-for-correction-of-myopia-and-myopic-astigmatism-current-perspectives
#19
Alper Ağca, Ahmet Demirok, Yusuf Yıldırım, Ali Demircan, Dilek Yaşa, Ceren Yeşilkaya, İrfan Perente, Muhittin Taşkapılı
Small-incision lenticule extraction (SMILE) is an alternative to laser-assisted in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) for the correction of myopia and myopic astigmatism. SMILE can be performed for the treatment of myopia ≤-12 D and astigmatism ≤5 D. The technology is currently only available in the VisuMax femtosecond laser platform. It offers several advantages over LASIK and PRK; however, hyperopia treatment, topography-guided treatment, and cyclotorsion control are not available in the current platform...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27699605/femtosecond-laser-assisted-lasik-versus-prk-for-high-myopia-comparison-of-18-month-visual-acuity-and-quality
#20
Hassan Hashemi, Reza Ghaffari, Mohammad Miraftab, Soheila Asgari
PURPOSE: To compare 18-month outcomes between femtosecond laser-assisted LASIK (femto-LASIK) and photorefractive keratectomy with mitomycin-C (PRK-MMC) for myopia of more than 7.0 D in terms of visual acuity and quality. METHODS: In this comparative nonrandomized clinical trial, 60 eyes from 30 patients (30 eyes in each group) were enrolled. The two procedures were compared in terms of 18-month changes in uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent, ocular and corneal higher order aberrations (HOAs), and contrast sensitivity (CS)...
October 3, 2016: International Ophthalmology
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