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Journal of Refractive Surgery

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https://www.readbyqxmd.com/read/30199571/improved-accuracy-with-a-vergence-based-online-toric-intraocular-lens-back-calculator
#1
LETTER
Jack T Holladay
No abstract text is available yet for this article.
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199570/pupillometry-after-implantation-of-phakic-intraocular-lens
#2
LETTER
Yi Zhu, Yu Yue, Haobin Zhu, Jibo Zhou
No abstract text is available yet for this article.
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199569/bilateral-non-tuberculous-mycobacterial-keratitis-after-small-incision-lenticule-extraction
#3
Hsin-Yu Liu, Hsiao-Sang Chu, Wei-Li Chen, Fung-Rong Hu, I-Jong Wang
PURPOSE: To report a case of bilateral non-tuberculous mycobacterial keratitis after small incision lenticule extraction (SMILE) that was successfully treated with oral and topical fortified antibiotics. METHODS: Case report and literature review. RESULTS: An otherwise healthy 21-year-old woman presented with culture-proven bilateral Mycobacterium abscessus keratitis 8 days after undergoing SMILE, showing multiple white stromal infiltrates in the interface in both eyes...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199568/binocular-and-monocular-implantation-of-small-aperture-intraocular-lenses-in-cataract-surgery
#4
H Burkhard Dick, Matthias Elling, Tim Schultz
PURPOSE: To compare the clinical outcomes with the extended depth of focus small-aperture intraocular lens (IOL) (IC-8; AcuFocus, Irvine, CA) for presbyopia compensation when implanted monocularly or binocularly. METHODS: Visual outcomes, defocus curve, patient satisfaction, and visual symptoms during a 6-month follow-up were evaluated in 11 patients (contralateral group) implanted monocularly with this IOL and with an aspheric monofocal IOL in the fellow eye (myopic target) and 6 patients (bilateral group) implanted bilaterally with the IC-8 IOL (dominant eye with plano target, fellow eye with myopic target)...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199567/influence-of-microstructure-on-stiffening-effects-of-corneal-cross-linking-treatment
#5
Hamed Hatami-Marbini
PURPOSE: To investigate the stiffening effects of corneal cross-linking (CXL) on tensile properties of anterior and posterior corneal flaps. METHODS: A Descemet stripping automated endothelial keratoplasty system was used to prepare anterior and posterior flaps from porcine corneas. The flaps were subjected to CXL and their mechanical behavior was assessed by conducting uniaxial tensile experiments. Full-thickness corneas were also cross-linked from the posterior and anterior side and their tensile behavior was measured...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199566/comparison-of-corneal-tomography-and-a-new-combined-tomographic-biomechanical-index-in-subclinical-keratoconus
#6
Tommy C Y Chan, Yu Meng Wang, Marco Yu, Vishal Jhanji
PURPOSE: To investigate and compare the diagnostic ability of corneal tomography and biomechanical and combined parameters for detection of corneal ectasia. METHODS: Consecutive patients with subclinical keratoconus (SCKC) and age-matched controls were included. Only one eye from each patient was selected for analysis. The final D value from the Belin/Ambrósio Enhanced Ectasia Display (BAD) was obtained from the Pentacam (Oculus Optikgeräte, Wetzlar, Germany)...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199565/rate-of-unplanned-vitrectomies-in-femtosecond-laser-assisted-cataract-surgery-compared-to-conventional-phacoemulsification
#7
Christian Song, Connor J Baharozian, Kathryn M Hatch, Graham C Grassett, Jonathan H Talamo
PURPOSE: To assess the rate of unplanned vitrectomies with femtosecond laser-assisted cataract surgery (FLACS) compared to conventional phacoemulsification at a single, high-volume, multi-surgeon ambulatory surgical center. METHODS: Retrospective, comparative study of phacoemulsification cases performed in a community-based ambulatory surgical center. A chart review of 2,480 consecutive FLACS procedures performed by 30 surgeons and 36,865 consecutive conventional phacoemulsification surgeries performed by 47 surgeons was conducted...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199564/flap-lift-lasik-10-or-more-years-after-primary-lasik
#8
Andrew I Caster
PURPOSE: To evaluate the safety and efficacy of flap-lift LASIK performed 10 or more years after the original LASIK procedure. METHODS: All patients who were treated with flap-lift LASIK 10 or more years after primary LASIK for whom records of the primary treatment could be obtained and at least 45-day follow-up refractions after re-treatment were available were included in this study. A total of 23 eyes of 20 patients were identified. The median time between primary LASIK and flap-lift LASIK was 13...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199563/vision-related-quality-of-life-and-perception-of-military-readiness-and-capabilities-following-refractive-surgery-among-active-duty-u-s-military-service-members
#9
Rose K Sia, Denise S Ryan, Bruce A Rivers, Lorie A Logan, Jennifer B Eaddy, Lamarr Peppers, Samantha B Rodgers
PURPOSE: To assess vision-related quality of life and military readiness and capabilities among active duty U.S. military service members undergoing refractive surgery. METHODS: In this prospective, single-center, observational study, active duty U.S. military service members electing to undergo refractive surgery were asked to complete a military performance questionnaire and the National Eye Institute Refractive Error Quality of Life Instrument (NEI RQL-42) preoperatively and at 6 months postoperatively...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199562/contrast-sensitivity-after-wavefront-guided-and-wavefront-optimized-prk-and-lasik-for-myopia-and-myopic-astigmatism
#10
Denise S Ryan, Rose K Sia, Jeff Rabin, Bruce A Rivers, Richard D Stutzman, Joseph F Pasternak, Jennifer B Eaddy, Lorie A Logan, Kraig S Bower
PURPOSE: To compare contrast sensitivity among participants undergoing wavefront-guided or wavefront-optimized photorefractive keratectomy (PRK) or LASIK for the treatment of myopia or myopic astigmatism 12 months after surgery. METHODS: In a prospective, randomized clinical trial, 215 participants with myopia ranging from -0.50 to -7.25 diopters (D) and less than -3.50 D of manifest astigmatism electing to undergo either LASIK or PRK were randomized to receive wavefront-guided or wavefront-optimized treatment...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30199561/outcomes-of-re-treatment-by-lasik-after-smile
#11
Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Ryan S Vida
PURPOSE: To report the outcomes of LASIK re-treatments after small incision lenticule extraction (SMILE). METHODS: Retrospective review of all eyes to have undergone a re-treatment by LASIK after primary SMILE between September 2013 and January 2016. Thin-flap LASIK was used in most cases as long as sufficient tissue was available for safe flap creation between the maximum epithelial thickness and minimum cap thickness. Otherwise, the SMILE interface was converted into a LASIK flap by the Circle technique or side cut only...
September 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089190/the-more-likely-etiology-behind-suboptimal-results-from-corneal-inlays
#12
LETTER
Majid Moshirfar, Maliha Masud, Tirth J Shah
No abstract text is available yet for this article.
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089189/continued-long-term-flattening-after-corneal-cross-linking-for-keratoconus
#13
Inger Heleen Noor, Theo G Seiler, Kai Noor, Theo Seiler
PURPOSE: To report 3 cases with continued long-term flattening after corneal cross-linking (CXL) for keratoconus and to determine its prevalence. METHODS: Case series. RESULTS: Three eyes of three patients presented with an ongoing corneal flattening over 10 years after CXL in the absence of corneal opacities. Of the initial 433 eyes treated with CXL between 2005 to 2007, only 45 eyes completed the 10-year follow-up period, indicating a prevalence of 6...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089188/a-modified-technique-for-easier-enclavation-of-retropupillary-iris-claw-intraocular-lens
#14
Hyun Goo Kang, Eun Young Choi, Sung Chul Lee, Min Kim
PURPOSE: To introduce a simple, modified technique for easier enclavation of retropupillary iris claw intraocular lens (IOL) in patients requiring secondary intraocular lens implantation. METHODS: This technique uses the 27-gauge cannula connected to the viscoelastic device to simultaneously enclavate both haptics of the retropupillary iris claw IOL, while reducing the number of steps involved and eliminating the need for switching instruments and hands. RESULTS: In the case described, excellent postoperative results were observed with a stable and well-centered retropupillary iris claw IOL, uncorrected visual acuity of 20/20, and little patient discomfort with no signs of complications after 2 years...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089187/does-pack-cxl-change-the-prognosis-of-resistant-infectious-keratitis
#15
Ofira Zloto, Irina S Barequet, Alon Weissman, Orit Ezra Nimni, Yoav Berger, Noa Avni-Zauberman
PURPOSE: To examine the clinical characteristics, treatments, and prognosis of all cases of infectious keratitis resistant to conventional therapy and treated by photo-activated chromophore for keratitis corneal cross-linking (PACK-CXL) in one institution between 2012 and 2016. METHODS: A database search of patients who underwent PACK-CXL (ultraviolet-A for 10 minutes for irradiance of 9 mW/cm2 ) for infectious keratitis unresponsive to medical treatment at a tertiary care hospital was conducted...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089186/early-epithelial-remodeling-after-standard-and-iontophoresis-assisted-corneal-cross-linking-as-evaluated-by-spectral-domain-optical-coherence-tomography
#16
Raphael Atia, Lea Jouve, Otman Sandali, Laurent Laroche, Vincent Borderie, Nacim Bouheraoua
PURPOSE: To evaluate and compare epithelial remodeling after standard corneal cross-linking (S-CXL) and iontophoresis-assisted CXL (I-CXL) in eyes with keratoconus by anterior segment optical coherence tomography (AS-OCT). METHODS: In this prospective, observational study, AS-OCT and corneal topography were performed before and 1, 3, and 6 months after surgery. Corneal pachymetry was performed and epithelial and stromal thicknesses (central and 16 points on the 6-mm central zone) and the maximum simulated keratometry value (Kmax) were measured...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089185/computational-models-for-optimization-of-the-intrastromal-corneal-ring-choice-in-patients-with-keratoconus-using-corneal-tomography-data
#17
Daniela Lyra, Guilherme Ribeiro, Leonardo Torquetti, Paulo Ferrara, Aydano Machado, João Marcelo Lyra
PURPOSE: To evaluate the predictability of asphericity and average keratometry in patients with keratoconus after implantation of intrastromal corneal ring segments (ICRS) using artificial intelligence. METHODS: This study included 209 eyes of 160 patients with keratoconus (grades I, II, and III) who had ICRS implanted. The 160 arc length Ferrara ICRS was implanted in all patients. ICRS thickness varied from 150 to 250 μm. Pentacam (Oculus Optikgeräte, Wetzlar, Germany) corneal tomography parameters, clinical data, and ICRS data formed the basis of the 39 studied parameters...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089184/topography-guided-custom-photorefractive-keratectomy-for-myopia-in-primary-eyes-with-the-wavelight-ex500-platform
#18
Fernando Faria-Correia, Sara Ribeiro, Tiago Monteiro, Bernardo T Lopes, Marcella Q Salomão, Renato Ambrósio
PURPOSE: To evaluate the outcomes after topography-guided ablation treatment (T-CAT) for the correction of myopia and myopic astigmatism with photorefractive keratectomy (PRK). METHODS: This was a retrospective, non-comparative case series study of 25 patients (40 eyes) with low to moderate myopia with or without astigmatism who underwent topography-guided custom PRK with the Wave-Light EX500 excimer laser platform (Alcon Laboratories, Inc., Fort Worth, TX). The customized treatment plan was based on Topolyzer Vario topography system (Alcon Laboratories, Inc...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089183/clinical-outcomes-of-transepithelial-photorefractive-keratectomy-according-to-epithelial-thickness
#19
Ikhyun Jun, David Sung Yong Kang, Samuel Arba-Mosquera, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To investigate the clinical outcomes, vector parameters, and corneal aberrations of corneal wavefront-guided (CWFG) transepithelial photorefractive keratectomy (PRK), according to epithelial thickness. METHODS: This retrospective, comparative case series study included 91 eyes (91 patients) that underwent CWFG transepithelial PRK for myopic astigmatism. Epithelial thickness was less than 50 μm in 48 patients and 60 μm or greater in 43 patients. Clinical outcomes, including visual acuity, manifest refraction, vector parameters, and corneal wavefront aberration, were compared between the two groups...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089182/wavefront-guided-lasik-has-comparable-ocular-and-corneal-aberrometric-outcomes-but-better-visual-acuity-outcomes-than-smile-in-myopic-eyes
#20
Rohit Shetty, Himnashu Matalia, Chinnappaiah Nandini, Ashwatha Shetty, Pooja Khamar, Tushar Grover, Abhijit Sinha Roy
PURPOSE: To compare ocular and corneal aberrometric outcomes of wavefront-guided (WFG) LASIK and small incision lenticule extraction (SMILE). METHODS: This was a prospective, interventional study where 48 eyes (24 patients) underwent SMILE (Carl Zeiss Meditec, Jena, Germany) and 58 eyes (29 patients) underwent WFG LASIK (Abbott Medical Optics, Abbott Park, IL). Visual acuity and ocular surface disease index were assessed preoperatively and 1 and 3 months postoperatively...
August 1, 2018: Journal of Refractive Surgery
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