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Journal of Refractive Surgery

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https://www.readbyqxmd.com/read/29315448/2017-reviewers
#1
(no author information available yet)
No abstract text is available yet for this article.
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315447/five-signs-of-unintended-initial-dissection-of-the-posterior-plane-during-smile
#2
LETTER
Ke Zheng, Ye Xu, Tian Han, Yinan Han, Xingtao Zhou
No abstract text is available yet for this article.
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315446/erratum-for-in-vivo-early-corneal-biomechanical-changes-after-corneal-cross-linking-in-patients-with-progressive-keratoconus
#3
(no author information available yet)
No abstract text is available yet for this article.
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315445/erratum-for-corneal-cross-linking-cxl-standardizing-terminology-and-protocol-nomenclature
#4
(no author information available yet)
No abstract text is available yet for this article.
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315444/unusual-internal-astigmatism-due-to-severe-capsule-contraction-syndrome
#5
Pierre Zéboulon, Damien Gatinel
PURPOSE: To describe a case of severe capsule contraction syndrome causing significant astigmatism due to intraocular lens (IOL) folding. METHODS: Case report. RESULTS: Capsule fibrosis and contraction resulted in bending of the hydrophilic IOL along its long axis. Anterior Nd:YAG capsulotomy resolved the situation and restored the patient's visual acuity. CONCLUSIONS: Hydrophilic IOLs are more susceptible to capsule contraction due to the increased flexibility of highly hydrated materials...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315443/pathophysiology-of-corneal-scarring-in-persistent-epithelial-defects-after-prk-and-other-corneal-injuries
#6
Steven E Wilson, Carla S Medeiros, Marcony R Santhiago
PURPOSE: To analyze corneal persistent epithelial defects that occurred at 3 to 4 weeks after -4.50 diopter (D) photorefractive keratectomy (PRK) in rabbits and apply this pathophysiology to the treatment of persistent epithelial defects that occur after any corneal manipulations or diseases. METHODS: Two of 168 corneas that had -4.50 D PRK to study epithelial basement membrane regeneration developed spontaneous persistent epithelial defects that did not heal at 3 weeks after PRK...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315442/changes-in-corneal-biomechanical-properties-with-different-corneal-cross-linking-irradiances
#7
FangJun Bao, YaRu Zheng, Chang Liu, XiaoBo Zheng, YiPing Zhao, Yuan Wang, LinNa Li, QinMei Wang, ShiHao Chen, Ahmed Elsheikh
PURPOSE: To evaluate whether different corneal cross-linking (CXL) irradiances, all with the same delivered total energy, achieve similar increases in corneal material stiffness. METHODS: One hundred twenty-six healthy white Japanese rabbits were randomly divided into seven groups (n = 18 each). After removing the epithelium of the left corneas, six groups were exposed to riboflavin (0.22% concentration by volume) and ultraviolet-A (370 nm) at different CXL irradiations, all with the same total dose (5...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315441/ray-tracing-analysis-of-the-corneal-power-from-scheimpflug-data
#8
Thomas Olsen, Peter Jeppesen
PURPOSE: To describe a method by which mapped corneal elevation data can be used for ray-tracing analysis of the effective corneal power. METHODS: Mapped elevation data of the front and back surface of the cornea exported by a clinical Scheimpflug camera was triangulated into a polygonal format and imported into a commercial optical engineering software. The focal length of the cornea was determined by exact ray tracing analysis of the distance giving the sharpest point spread function (PSF) at the selected image plane...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315440/femtosecond-laser-assisted-stromal-lenticule-addition-keratoplasty-for-the-treatment-of-advanced-keratoconus-a-preliminary-study
#9
Leonardo Mastropasqua, Mario Nubile, Niccolò Salgari, Rodolfo Mastropasqua
PURPOSE: To investigate the in vivo effect of a novel femtosecond laser-assisted procedure termed stromal lenticule addition keratoplasty for advanced keratoconus. METHODS: Ten patients with stage III and IV stable keratoconus were included. Negative meniscus-shaped stromal lenticules were produced from corneoscleral eye bank buttons with a refractive lenticule extraction procedure with a 500-kHz VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany). Recipient corneas underwent a modified femtosecond laser flap-cut procedure to produce an intrastromal pocket and lenticules were implanted...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315439/autorefraction-versus-manifest-refraction-in-patients-with-keratoconus
#10
Nienke Soeters, Marc B Muijzer, Jurrian Molenaar, Daniel A Godefrooij, Robert P L Wisse
PURPOSE: To compare visual performance using autorefraction and manifest refraction assessments in patients with keratoconus and investigate whether autorefraction measurements lead to suboptimal visual performance. METHODS: Corrected distance visual acuity (CDVA) was measured in 90 eyes of 61 patients with keratoconus with both autorefraction and manifest refraction, in a random order. Maximum keratometry (Kmax), cone location, and wavefront aberration were determined with Scheimpflug tomography...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315438/femtosecond-laser-assisted-lasik-with-and-without-the-adjuvant-use-of-mitomycin-c-to-correct-hyperopia
#11
Montserrat Garcia-Gonzalez, MariLuz Iglesias-Iglesias, Pilar Drake Rodriguez-Casanova, Juan Gros-Otero, Miguel A Teus
PURPOSE: To compare the visual and refractive results of femtosecond laser-assisted LASIK (FS-LASIK) with and without the adjuvant use of mitomycin C (MMC) to correct hyperopia. METHODS: A total of 152 consecutive hyperopic eyes were included in this retrospective, observational cohort study, comparing 76 eyes treated with FS-LASIK + MMC with 76 age- and refraction-matched eyes treated with FS-LASIK without MMC. Visual and refractive results were evaluated 1 day, 1 week, and 1, 3, 6, and 15 months postoperatively...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315437/evaluation-of-femtosecond-laser-versus-manual-clear-corneal-incisions-in-cataract-surgery-using-spectral-domain-optical-coherence-tomography
#12
Xiaogang Wang, Zhe Zhang, Xiaoyan Li, Lisha Xie, Haining Zhang, Douglas D Koch, Li Wang, Suhua Zhang
PURPOSE: To investigate the wound healing changes of clear corneal incisions performed with a femtosecond laser or a steel bevel knife in cataract surgery using spectral-domain optical coherence tomography. METHODS: Prospectively, consecutive patients undergoing either femtosecond laser-assisted cataract surgery (femtosecond laser group) using the LenSx laser (Alcon Laboratories, Inc., Fort Worth, TX) or traditional cataract surgery using steel blades (control group) were enrolled...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315436/energy-setting-and-visual-outcomes-in-smile-a-retrospective-cohort-study
#13
Liuyang Li, Julie M Schallhorn, Jiaonan Ma, Tong Cui, Yan Wang
PURPOSE: To assess the independent effect of energy setting on postoperative uncorrected distance visual acuity (UDVA) in small incision lenticule extraction (SMILE) and further investigate an optimal energy setting for the 4.5-μm spot-track-distance, which is in wide clinical use. METHODS: A total of 1,130 eyes were included in a retrospective cohort study from Tianjin Eye Hospital, Tianjin Medical University from April 2015 to July 2016. Energy settings and baseline characteristics were recorded and 3-month UDVA was tested by a nurse blinded to the energy settings used...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315435/femtosecond-lenticule-extraction-flex-for-spherocylindrical-hyperopia-using-new-profiles
#14
Walter Sekundo, Anke Messerschmidt-Roth, Dan Z Reinstein, Timothy J Archer, Marcus Blum
PURPOSE: To investigate new lenticule profiles for the treatment of hyperopia by femtosecond lenticule extraction (FLEx) for spherocylindrical hyperopia using a modified laser scan sequence. METHODS: In this prospective 9-month study, 39 eyes of 22 patients with the mean age of 49 years (range: 27 to 56 years) underwent hyperopic FLEx. The mean optical zone was 6 mm (range: 5.75 to 6.75 mm) with keratometry readings and magnitude of correction adjusted mean transition zone of 2...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227515/a-novel-corneal-remodeling-technique-for-the-management-of-keratoconus
#15
Cesar Carriazo, Maria Jose Cosentino
PURPOSE: To describe a novel technique to reshape the ectatic cornea by means of crescent keratectomy performed with an excimer laser using a mask. METHODS: A crescent-shaped perforation at the base of the mask allowed the laser ablation to be directed only to the intended region, shielding the remaining cornea. This technique was performed in 3 eyes of 3 patients with keratoconus grade 2 to 3. Arcs of 180° and 360° had been performed depending on the severity of the keratoconus...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227514/management-and-outcomes-of-retained-lenticules-and-lenticule-fragments-removal-after-failed-primary-smile-a-case-series
#16
Sri Ganesh, Sheetal Brar, Apostolos Lazaridis
PURPOSE: To describe the management of and report the outcomes following the removal of retained lenticules or lenticule fragments after a complicated small incision lenticule extraction (SMILE). METHODS: Three patients were referred for consultation due to intraoperative complications during SMILE. In case 1, the lenticule was torn during extraction and a central fragment was retained in the pocket. In case 2, the inferior part of the lenticule remained attached at the anterior plane and its detached, superior part was dislocated and folded at the inferior part of the pocket...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227513/in-vivo-early-corneal-biomechanical-changes-after-corneal-cross-linking-in-patients-with-progressive-keratoconus
#17
Riccardo Vinciguerra, Vito Romano, Esmaeil M Arbabi, Matthias Brunner, Colin E Willoughby, Mark Batterbury, Stephen B Kaye
PURPOSE: To report early corneal biomechanical changes after corneal cross-linking (CXL) in patients with keratoconus. METHODS: Thirty-four eyes of 34 patients undergoing CXL for progressive keratoconus were included in this prospective clinical study. Dynamic corneal response (DCR) parameters obtained with the Corvis ST (OCULUS Optikgeräte GmbH; Wetzlar, Germany) were assessed at baseline (day of CXL) and after 1 month of follow-up; conversely, corneal tomography with the Pentacam (OCULUS Optikgeräte GmbH) was assessed at baseline and at 1, 3, and 6 months after CXL...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227512/efficacy-and-safety-comparison-between-suberoylanilide-hydroxamic-acid-and-mitomycin-c-in-reducing-the-risk-of-corneal-haze-after-prk-treatment-in-vivo
#18
Govindaraj Anumanthan, Ajay Sharma, Michael Waggoner, Chuck W Hamm, Suneel Gupta, Nathan P Hesemann, Rajiv R Mohan
PURPOSE: This study compared the efficacy and safety of suberoylanilide hydroxamic acid (SAHA) and mitomycin C (MMC) up to 4 months in the prevention of corneal haze induced by photorefractive keratectomy (PRK) in rabbits in vivo. METHODS: Corneal haze in rabbits was produced with -9.00 diopter PRK. A single application of SAHA (25 μM) or MMC (0.02%) was applied topically immediately after PRK. Effects of the two drugs were analyzed by slit-lamp microscope, specular microscope, TUNEL assay, and immunofluorescence...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227511/predictive-formula-for-refraction-of-autologous-lenticule-implantation-for-hyperopia-correction
#19
Meng Li, Meiyan Li, Ling Sun, Katherine Ni, Xingtao Zhou
PURPOSE: To create a formula to predict refractive correction of autologous lenticule implantation for correction of hyperopia (with myopia in one eye and hyperopia in the contralateral eye). METHODS: In this prospective study, 10 consecutive patients (20 eyes) who had myopia in one eye and hyperopia in the contralateral eye were included. The preoperative spherical equivalent was -3.31 ± 1.73 diopters (D) for the myopic eyes and +4.46 ± 1.97 D for the hyperopic eyes...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227510/postoperative-corneal-asphericity-in-low-moderate-and-high-myopic-eyes-after-transepithelial-prk-using-a-new-pulse-allocation
#20
David T C Lin, Simon P Holland, Shwetabh Verma, John Hogden, Samuel Arba-Mosquera
PURPOSE: To evaluate the postoperative asphericity in low, moderate, and high myopic eyes after combined transepithelial photorefractive keratectomy and SmartSurfACE treatment (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany). METHODS: In this retrospective case series, the outcomes of myopic SmartSurfACE were evaluated at 3 months postoperatively in 106 eyes and divided into low (less than -4.125 diopters [D]), moderate (-4.125 to -6.25 D), and high (more than -6...
December 1, 2017: Journal of Refractive Surgery
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