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Journal of Refractive Surgery

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https://www.readbyqxmd.com/read/28486728/the-use-of-femtosecond-laser-assisted-capsulotomy-is-challenging-in-patients-with-phacomorphic-glaucoma
#1
LETTER
Ozgun Melike Gedar Totuk, Umit Aykan
No abstract text is available yet for this article.
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486727/as-oct-as-a-rescue-tool-during-difficult-lenticule-extraction-in-smile
#2
Jeewan S Titiyal, Anubha Rathi, Manpreet Kaur, Ruchita Falera
PURPOSE: To report a case of lenticule adherent to the anterior cap during small incision lenticule extraction (SMILE) and its subsequent management aided by anterior segment optical coherence tomography (AS-OCT). METHODS: Case report. RESULTS: A 24-year-old woman presented with high myopia of -8.00 -0.50 @ 180° in the right eye and -8.00 -0.25 @ 180° in the left eye and underwent SMILE. In the right eye, difficulty was experienced in separating the lenticule from adjacent stroma...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486726/management-of-interface-fluid-syndrome-after-lasik-by-descemet-membrane-endothelial-keratoplasty-in-a-patient-with-fuchs-corneal-endothelial-dystrophy
#3
Mehdi Shajari, Parviz Rafiezadeh, Ivana Pavlovic, Kate Barbara Kubiak, Thomas Kohnen, Ingo Schmack
PURPOSE: To report a case of interface fluid syndrome after LASIK in a patient with Fuchs' corneal endothelial dystrophy treated with Descemet membrane endothelial keratoplasty (DMEK). METHODS: Case report. RESULTS: A 74-year-old patient presented with interface fluid syndrome and was treated with DMEK. Its complications in the form of partial graft detachment and cystoid macular edema were successfully managed by rebubbling and topical treatment, respectively...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486725/regeneration-of-defective-epithelial-basement-membrane-and-restoration-of-corneal-transparency-after-photorefractive-keratectomy
#4
Gustavo K Marino, Marcony R Santhiago, Abirami Santhanam, Andre A M Torricelli, Steven E Wilson
PURPOSE: To study regeneration of the normal ultrastructure of the epithelial basement membrane (EBM) in rabbit corneas that had -9.00 D photorefractive keratectomy (PRK) and developed late haze (fibrosis) with restoration of transparency over 1 to 4 months after surgery and in corneas that had incisional wounds. METHODS: Twenty-four rabbits had one of their eyes included in one of the two procedure groups (-9.00 D PRK or nearly full-thickness incisional wounds), whereas the opposite eyes served as the unwounded control group...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486724/noncontact-quantification-of-topography-of-anterior-corneal-surface-and-bowman-s-layer-with-high-speed-oct
#5
Himanshu Matalia, Mathew Francis, Tarun Gangil, Rachana S Chandapura, Mathew Kurian, Rohit Shetty, Everette Jacob Remington Nelson, Abhijit Sinha Roy
PURPOSE: To quantify keratometry and wavefront aberration of the anterior corneal surface and epithelium-Bowman's layer interface using anterior segment optical coherence tomography (OCT). METHODS: Twenty-five normal eyes and 25 eyes with keratoconus were retrospectively analyzed. The anterior corneal edge and epithelium-Bowman's layer interface were segmented from 12 distortion-corrected OCT B-scans. Axial tangential curvatures and wavefront aberration were calculated by ray tracing and 6th order Zernike analyses...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486723/prospective-evaluation-of-outcomes-in-patients-undergoing-treatment-for-myopia-using-the-wavelight-refractive-suite
#6
Arthur Cummings, Daniel Durrie, Michael Gordon, Ravaughn Williams, James A Gow, Matthias Maus
PURPOSE: To evaluate outcomes in patients with myopia up to -12.00 diopters (D), with or without astigmatism up to 6.00 D, who underwent LASIK with the WaveLight Refractive Suite (Alcon Laboratories, Inc., Fort Worth, TX). METHODS: This multicenter, prospective, single-arm study evaluated patients at baseline, on the day of surgery, and 1 day and 1, 3, and 6 months postoperatively. The primary outcome was comparison of 1-month postoperative binocular uncorrected distance visual acuity (UDVA) with preoperative binocular corrected distance visual acuity (CDVA)...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486722/lasik-for-the-correction-of-high-hyperopic-astigmatism-with-epithelial-thickness-monitoring
#7
Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Tim Buick, Marine Gobbe, Elizabeth L Rowe, Mario Jukic, Emma Brandon, Johnny Moore, Tara Moore
PURPOSE: To evaluate outcomes of high hyperopic LASIK using the MEL 80 excimer laser (Carl Zeiss Meditec, Jena, Germany). METHODS: Retrospective analysis of 830 consecutive high hyperopic LASIK procedures using the MEL 80 excimer laser and either the VisuMax femtosecond laser (Carl Zeiss Meditec) or zero compression Hansatome microkeratome (Bausch & Lomb, Rochester, NY). Inclusion criteria were attempted hyperopic correction of +4.00 diopters [D] or higher in one axis and corrected distance visual acuity (CDVA) of 20/20 or better...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486721/topography-guided-lasik-versus-small-incision-lenticule-extraction-smile-for-myopia-and-myopic-astigmatism-a-randomized-prospective-contralateral-eye-study
#8
Anastasios John Kanellopoulos
PURPOSE: To compare safety and efficacy of topography-guided LASIK and contralateral eye SMILE for myopia and myopic astigmatism correction. METHODS: This prospective, randomized contralateral eye study included 44 eyes of 22 patients with bilateral myopia or myopic astigmatism. Treated eyes were divided into two groups: 22 eyes were treated with topography-guided LASIK and the fellow eye of each patient was treated with SMILE. The following parameters were evaluated preoperatively and up to 3 months postoperatively: uncorrected distance vision acuity (UDVA), corrected distance vision acuity (CDVA), refractive error, corneal keratometry, contrast sensitivity, and Objective Scatter Index...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486720/comparative-analysis-of-the-clinical-outcomes-of-smile-and-wavefront-guided-lasik-in-low-and-moderate-myopia
#9
Mounir A Khalifa, Ahmed Ghoneim, Mohamed Shafik Shaheen, Mohamed G Aly, David P Piñero
PURPOSE: To compare the clinical outcomes of small incision lenticule extraction (SMILE) and wavefront-guided LASIK (WFG LASIK) in eyes with low and moderate myopia. METHODS: This was a prospective, comparative study enrolling 110 eyes with low and moderate myopia (spherical equivalent ≤ 6.00 diopters [D]). Two groups were differentiated according to the surgical technique used: the WFG LASIK group included 51 eyes (51 patients) undergoing WFG LASIK using the STAR S4IR excimer laser and the iDesign aberrometer (Abbott Medical Optics, Abbott Park, IL) and the SMILE group included 59 eyes (59 patients) undergoing SMILE with the VisuMax platform (Carl Zeiss Meditec, Jena, Germany)...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486719/customized-topography-guided-corneal-collagen-cross-linking-for-keratoconus
#10
Myriam Cassagne, Kévin Pierné, Stéphane D Galiacy, Marie-Pierre Asfaux-Marfaing, Pierre Fournié, François Malecaze
PURPOSE: To compare the efficacy and safety of topography-guided corneal collagen cross-linking (TG-CXL) to conventional corneal CXL (C-CXL) in progressive keratoconus. METHODS: In this prospective, nonrandomized clinical trial, 60 eyes of 60 patients were scheduled to receive either TG-CXL (30 eyes with deepithelialization focused on the cone, riboflavin application for 10 minutes, and 30 mW/cm(2) pulsed ultraviolet-A irradiance pattern according to topography) or C-CXL (30 eyes treated in accordance with the Dresden protocol)...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407172/comparison-of-combined-transepithelial-phototherapeutic-keratectomy-and-mechanical-debridement-during-corneal-cross-linking
#11
LETTER
Michael A Grentzelos, Konstantinos I Tsoulnaras, George D Kymionis
No abstract text is available yet for this article.
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407171/smile-as-re-treatment-for-a-thick-lasik-flap
#12
LETTER
Montserrat Garcia-Gonzalez, Miguel A Teus
No abstract text is available yet for this article.
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407170/cxl-at-the-slit-lamp-no-clinically-relevant-changes-in-corneal-riboflavin-distribution-during-upright-uv-irradiation
#13
LETTER
Basile Salmon, Olivier Richoz, David Tabibian, Sabine Kling, Raphael Wuarin, Farhad Hafezi
No abstract text is available yet for this article.
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407169/collagen-cross-linking-with-photoactivated-riboflavin-pack-cxl-for-bacterial-keratitis-after-small-incision-lenticule-extraction-smile
#14
Tommy C Y Chan, Vanissa W S Chow, Vishal Jhanji
PURPOSE: To report a case of infectious keratitis after small incision lenticule extraction (SMILE) treated with collagen cross-linking with photoactivated riboflavin (PACK-CXL). METHODS: Case report and literature review. RESULTS: A patient presented with culture-proven bacterial keratitis 5 days after SMILE was treated with fortified topical antibiotics and PACK-CXL. Irrigation of the corneal cap-stromal bed interface, which can be difficult and affect visual outcomes, was not performed...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407168/intraoperative-optical-coherence-tomography-vault-measurement-in-posterior-chamber-phakic-intraocular-lens-implantation
#15
Tien-En Tan, Yu-Chi Liu, Lasitha Saroj Jayasinghe, Jodhbir S Mehta
PURPOSE: To describe the use of intraoperative optical coherence tomography (OCT) vault measurement in 5 cases of posterior chamber phakic intraocular lens (IOL) implantation. METHODS: This case series included 5 eyes in 3 consecutive patients undergoing phakic IOL implantation. RTVue OCT (Optovue, Inc., Fremont, CA) was used to obtain intraoperative vault measurements after pupil constriction. Visante OCT (Carl Zeiss Meditec, Jena, Germany) was used to obtain postoperative vault measurements...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407167/introduction-of-two-novel-stiffness-parameters-and-interpretation-of-air-puff-induced-biomechanical-deformation-parameters-with-a-dynamic-scheimpflug-analyzer
#16
Cynthia J Roberts, Ashraf M Mahmoud, Jeffrey P Bons, Arif Hossain, Ahmed Elsheikh, Riccardo Vinciguerra, Paolo Vinciguerra, Renato Ambrósio
PURPOSE: To investigate two new stiffness parameters and their relationships with the dynamic corneal response (DCR) parameters and compare normal and keratoconic eyes. METHODS: Stiffness parameters are defined as Resultant Pressure at inward applanation (A1) divided by corneal displacement. Stiffness parameter A1 uses displacement between the undeformed cornea and A1 and stiffness parameter highest concavity (HC) uses displacement from A1 to maximum deflection during HC...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407166/evaluation-of-the-true-wavefront-aberrations-in-eyes-implanted-with-a-rotationally-asymmetric-multifocal-intraocular-lens
#17
Vyas Akondi, Pablo Pérez-Merino, Eduardo Martinez-Enriquez, Carlos Dorronsoro, Nicolás Alejandre, Ignacio Jiménez-Alfaro, Susana Marcos
PURPOSE: Standard evaluation of aberrations from wavefront slope measurements in patients implanted with a rotationally asymmetric multifocal intraocular lens (IOL), the Lentis Mplus (Oculentis GmbH, Berlin, Germany), results in large magnitude primary vertical coma, which is attributed to the intrinsic IOL design. The new proposed method analyzes aberrometry data, allowing disentangling the IOL power pupillary distribution from the true higher order aberrations of the eye. METHODS: The new method of wavefront reconstruction uses retinal spots obtained at both the near and far foci...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407165/comparison-of-corneal-epithelial-remodeling-after-femtosecond-laser-assisted-lasik-and-small-incision-lenticule-extraction-smile
#18
Ik-Hee Ryu, Bong Jun Kim, Jong-Hyuck Lee, Sun Woong Kim
PURPOSE: To comparatively investigate changes in epithelial thickness between myopic femtosecond laser-assisted LASIK (FS-LASIK) and small incision lenticule extraction (SMILE). METHODS: This study compared the topographic epithelial thickness changes in 175 myopic eyes undergoing FS-LASIK (62 eyes) or SMILE (113 eyes). Epithelial thickness was obtained using spectral-domain optical coherence tomography before surgery and 1 and 3 months after surgery. Topographic epithelial thickness obtained by automatic algorithm and thickness variability (standard deviation over 17 imaged areas) was compared between two groups...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407164/intraocular-pressure-after-implantation-of-a-phakic-collamer-intraocular-lens-with-a-central-hole
#19
Ignacio Rodríguez-Una, Pedro Pablo Rodríguez-Calvo, Luis Fernández-Vega Cueto, Carlos Lisa, Andrés Fernández-Vega Cueto, José F Alfonso
PURPOSE: To investigate the middle-term intraocular pressure (IOP) results after implantation of a posterior chamber collagen copolymer phakic intraocular lens (IOL) (V4c Visian; STAAR Surgical Co., Nidau, Switzerland) with a central hole in patients with myopia. METHODS: This retrospective study enrolled patients who had implantation of a phakic IOL with a central hole. IOP, central vault, and adverse events were evaluated 1, 3, 6, 12, and 24 months postoperatively...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407163/effect-of-topical-nonsteroidal-anti-inflammatory-drugs-on-pupillary-size-during-uncomplicated-cataract-surgery
#20
Alejandro Rodríguez-García, Julio C Hernández-Camarena, Gilberto R López-Jaime, José A Nava-García
PURPOSE: To compare the effectiveness of three different topical nonsteroidal anti-inflammatory drugs (NSAIDs) in inhibiting surgically induced miosis during uncomplicated cataract phacoemulsification. METHODS: Prospective, randomized, double-masked comparative study of patients aged 40 years or older with grades II to III cataracts (Lens Opacities Classification System) and no other comorbidities. Participants were randomized into four groups: 0.1% nepafenac, 0...
April 1, 2017: Journal of Refractive Surgery
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