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Ophthalmology

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https://www.readbyqxmd.com/read/28532974/cost-effectiveness-analysis-of-corneal-collagen-crosslinking-for-progressive-keratoconus
#1
Daniel A Godefrooij, Marie-Josee J Mangen, Elsie Chan, David P S O'Brart, Saskia M Imhof, G Ardine de Wit, Robert P L Wisse
PURPOSE: To evaluate the cost effectiveness of corneal collagen crosslinking (CXL) for progressive keratoconus from the healthcare payer's perspective. DESIGN: A probabilistic Markov-type model using data from published clinical trials and cohort studies. PARTICIPANTS: Two identical cohorts, each comprising 1000 virtual patients with progressive bilateral keratoconus, were modeled; one cohort underwent CXL and the other cohort received no intervention...
May 19, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28528012/impact-of-total-pars-plana-vitrectomy-on-postoperative-complications-in-aphakic-snap-on-type-1-boston-keratoprosthesis
#2
Victor L Perez, Ella H Leung, Audina M Berrocal, Thomas A Albini, Jean Marie Parel, Guillermo Amescua, Eduardo C Alfonso, Tayyeba K Ali, Allister Gibbons
PURPOSE: To determine the impact of total pars plana vitrectomies (PPVs) with peripheral shaving of the vitreous base on the rates of postoperative complications in patients with aphakic, snap-on type I Boston keratoprostheses (KPros). DESIGN: Retrospective, consecutive case series. PARTICIPANTS: A total of 48 eyes in 46 patients with implantation of aphakic, snap-on type 1 Boston KPros performed at a tertiary care facility between January 1, 2007, and December 31, 2013, were included...
May 17, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28528011/vitreous-seeds-in-retinoblastoma-clinicopathologic-classification-and-correlation
#3
Alec L Amram, Grecia Rico, Jonathan W Kim, Murali Chintagumpala, Cynthia E Herzog, Dan S Gombos, Patricia Chévez-Barrios
PURPOSE: A recent classification scheme for retinoblastoma vitreous seeds has shown promise in predicting treatment response. For the first time, we correlate this clinical classification scheme with its histopathologic features. DESIGN: Retrospective review. PARTICIPANTS: Enucleated eyes received at the pathology department of the Retinoblastoma Center of Houston from 2010 to 2015. METHODS: Macroscopic photographs of the enucleated eyes of patients with retinoblastoma were analyzed to select those with vitreous seeds...
May 17, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28528010/long-term-safety-and-efficacy-of-a-sustained-release-bimatoprost-ocular-ring
#4
James D Brandt, Harvey B DuBiner, Robert Benza, Kenneth N Sall, Gary A Walker, Charles P Semba
No abstract text is available yet for this article.
May 17, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28526550/impact-of-first-eye-versus-second-eye-cataract-surgery-on-visual-function-and-quality-of-life
#5
Nakul S Shekhawat, Michael V Stock, Elizabeth F Baze, Mary K Daly, David E Vollman, Mary G Lawrence, Amy S Chomsky
PURPOSE: To compare the impact of first eye versus second eye cataract surgery on visual function and quality of life. DESIGN: Cohort study. PARTICIPANTS: A total of 328 patients undergoing separate first eye and second eye phacoemulsification cataract surgeries at 5 veterans affairs centers in the United States. Patients with previous ocular surgery, postoperative endophthalmitis, postoperative retinal detachment, reoperation within 30 days, dementia, anxiety disorder, hearing difficulty, or history of drug abuse were excluded...
May 16, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28526549/metagenomic-dna-sequencing-for-the-diagnosis-of-intraocular-infections
#6
Thuy Doan, Nisha R Acharya, Benjamin A Pinsky, Malaya K Sahoo, Eric D Chow, Niaz Banaei, Indre Budvytiene, Vicky Cevallos, Lina Zhong, Zhaoxia Zhou, Thomas M Lietman, Joseph L DeRisi
No abstract text is available yet for this article.
May 16, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28501377/structural-changes-associated-with-delayed-dark-adaptation-in-age-related-macular-degeneration
#7
Inês Laíns, John B Miller, Dong H Park, Edem Tsikata, Samaneh Davoudi, Safa Rahmani, Jonathan Pierce, Rufino Silva, Teresa C Chen, Ivana K Kim, Demetrios Vavvas, Joan W Miller, Deeba Husain
PURPOSE: To examine the relationship between dark adaptation (DA) and optical coherence tomography (OCT)-based macular morphology in age-related macular degeneration (AMD). DESIGN: Prospective, cross-sectional study. PARTICIPANTS: Patients with AMD and a comparison group (>50 years) without any vitreoretinal disease. METHODS: All participants were imaged with spectral-domain OCT and color fundus photographs, and then staged for AMD (Age-related Eye Disease Study system)...
May 10, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28501376/six-year-incidence-of-age-related-macular-degeneration-in-asian-malays-the-singapore-malay-eye-study
#8
Chui Ming Gemmy Cheung, Peng Guan Ong, Kumari Neelam, Pok Chien Tan, Yuan Shi, Paul Mitchell, Jie Jin Wang, Charumathi Sabanayagam, Ching-Yu Cheng, Tien Yin Wong
PURPOSE: To determine the 6-year incidence of early and late age-related macular degeneration (AMD) in a Singaporean Malay population and to validate the Age-Related Eye Disease Study (AREDS) simplified severity scale in Asians. DESIGN: Prospective, population cohort study. PARTICIPANTS: The Singapore Malay Eye Study baseline participants (age, ≥40 years; 2006-2008) were followed up in 2011 through 2013, and 1901 of 3280 of eligible participants (72...
May 10, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28499748/rates-of-local-retinal-nerve-fiber-layer-thinning-before-and-after-disc-hemorrhage-in-glaucoma
#9
Tadamichi Akagi, Linda M Zangwill, Luke J Saunders, Adeleh Yarmohammadi, Patricia Isabel C Manalastas, Min Hee Suh, Christopher A Girkin, Jeffrey M Liebmann, Robert N Weinreb
PURPOSE: To investigate longitudinal temporal and spatial associations between disc hemorrhage (DH) and rates of local retinal nerve fiber layer (RNFL) thinning before and after DHs. DESIGN: Longitudinal, observational cohort study. PARTICIPANTS: Forty eyes of 37 participants (23 with glaucoma and 17 with suspect glaucoma at baseline) with DH episodes during follow-up from the Diagnostic Innovations in Glaucoma Study and the African Descent and Glaucoma Evaluation Study...
May 9, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28499747/preoperative-posturing-of-patients-with-macula-on-retinal-detachment-reduces-progression-toward-the-fovea
#10
Jan H de Jong, Juan P Vigueras-Guillén, Tiarah C Simon, Reinier Timman, Tunde Peto, Koenraad A Vermeer, Jan C van Meurs
PURPOSE: Traditionally, preoperative posturing consisting of bed rest and positioning is prescribed to patients with macula-on retinal detachment (RD) to prevent RD progression and detachment of the fovea. Execution of such advice can be cumbersome and expensive. This study aimed to investigate if preoperative posturing affects the progression of RD. DESIGN: Prospective cohort study. PARTICIPANTS: Ninety-eight patients with macula-on RD were included...
May 9, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28499746/comparing-access-to-laser-capsulotomy-performed-by-optometrists-and-ophthalmologists-in-oklahoma-by-calculated-driving-distance-and-time
#11
Michael A Mahr, Jay C Erie
PURPOSE: To quantify Medicare beneficiary proximity to his or her yttrium-aluminum-garnet (YAG) laser capsulotomy-providing ophthalmologist and optometrist in Oklahoma by calculating driving distances and times. DESIGN: Cross-sectional cohort study using 2014 Oklahoma Medicare 100% and 5% data sets and Google Maps distance and travel time application programming interfaces. PARTICIPANTS: U.S. fee-for-service Medicare beneficiaries and Oklahoma ophthalmologist and optometrist laser capsulotomy providers...
May 9, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28495150/personalized-prognosis-of-uveal-melanoma-based-on-cytogenetic-profile-in-1059-patients-over-an-8-year-period-the-2017-harry-s-gradle-lecture
#12
Carol L Shields, Emil Anthony T Say, Murat Hasanreisoglu, Jarin Saktanasate, Brendan M Lawson, Jeffrey E Landy, Anjali U Badami, Meera D Sivalingam, Alexander J Hauschild, Robert J House, Zachary E Daitch, Arman Mashayekhi, Jerry A Shields, Arupa Ganguly
PURPOSE: To determine the personalized rate of uveal melanoma-related metastasis on the basis of individual tumor cytogenetic profile. DESIGN: Retrospective case series. PARTICIPANTS: A total of 1059 patients with uveal melanoma. METHODS: Fine-needle aspiration biopsy (FNAB) for DNA amplification and whole genome array-based assay were performed for analysis of chromosomes 3, 6, and 8. MAIN OUTCOME MEASURES: Melanoma-related metastasis...
May 7, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28495149/united-states-multicenter-clinical-trial-of-corneal-collagen-crosslinking-for-keratoconus-treatment
#13
Peter S Hersh, R Doyle Stulting, David Muller, Daniel S Durrie, Rajesh K Rajpal
PURPOSE: To evaluate the safety and efficacy of corneal collagen crosslinking (CXL) for the treatment of progressive keratoconus. DESIGN: Prospective, randomized, multicenter, controlled clinical trial. PARTICIPANTS: Patients with progressive keratoconus (n = 205). METHODS: The treatment group underwent standard CXL and the sham control group received riboflavin alone without removal of the epithelium. MAIN OUTCOME MEASURES: The primary efficacy criterion was the change over 1 year of topography-derived maximum keratometry value, comparing treatment with control group...
May 7, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461018/serial-changes-in-lamina-cribrosa-depth-and-neuroretinal-parameters-in-glaucoma-impact-of-choroidal-thickness
#14
Jayme R Vianna, Victoria R Lanoe, Jack Quach, Glen P Sharpe, Donna M Hutchison, Anne C Belliveau, Lesya M Shuba, Marcelo T Nicolela, Balwantray C Chauhan
PURPOSE: To determine whether: (1) change in lamina cribrosa depth occurs more frequently than change in neuroretinal parameters in glaucoma, and (2) Bruch's membrane or anterior sclera should be used as a reference plane when measuring laminar depth. DESIGN: Prospective observational study. PARTICIPANTS: One hundred fifty-five glaucoma patients and 35 healthy controls. METHODS: Anterior laminar depth from a Bruch's membrane (LD-BM) or anterior sclera (LD-AS) reference plane were measured with optical coherence tomography...
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461017/vitrectomy-and-vitrector-port-needle-biopsy-of-choroidal-melanoma-for-gene-expression-profile-testing-immediately-before-brachytherapy
#15
Deepthi M Reddy, Lauren B Mason, John O Mason, Jason N Crosson, Jacob J Yunker
PURPOSE: Transvitreal and transscleral needle biopsy can result in complications including vitreous hemorrhage and retinal detachment. This study evaluated a technique using 25-gauge vitrectomy as an adjunct to needle biopsy immediately before brachytherapy to minimize these complications and preserve good visual acuity. DESIGN: Retrospective, observational case series. PARTICIPANTS: Fifty-seven consecutive eyes of 57 patients with treatment-naïve medium choroidal melanomas without extraocular extension from July 2012 through September 2015...
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461016/comparison-of-visual-outcomes-in-coats-disease-a-20-year-experience
#16
Sally S Ong, Edward G Buckley, Brooks W McCuen, Glenn J Jaffe, Eric A Postel, Tamer H Mahmoud, Sandra S Stinnett, Cynthia A Toth, Lejla Vajzovic, Prithvi Mruthyunjaya
PURPOSE: To report differences in visual acuities among patients with Coats' disease who sought treatment at a tertiary care university-based practice. DESIGN: Single-center retrospective cohort study. PARTICIPANTS: Patients with Coats' disease diagnosed clinically, angiographically, or both from 1995 through 2015. METHODS: Patients were divided into 2 groups based on date of presentation: decade 1 (1995-2005) and decade 2 (2006-2015)...
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461015/diagnostic-accuracy-of-spectralis-sd-oct-automated-macular-layers-segmentation-to%C3%A2-discriminate-normal-from-early-glaucomatous-eyes
#17
Marta Pazos, Agnieszka Anna Dyrda, Marc Biarnés, Alicia Gómez, Carlos Martín, Clara Mora, Gianluca Fatti, Alfonso Antón
PURPOSE: To evaluate the accuracy of the macular retinal layer segmentation software of the Spectralis spectral-domain (SD) optical coherence tomography (OCT) device (Heidelberg Engineering, Inc., Heidelberg, Germany) to discriminate between healthy and early glaucoma (EG) eyes. DESIGN: Prospective, cross-sectional study. PARTICIPANTS: Forty EG eyes and 40 healthy controls were included. METHODS: All participants were examined using the standard posterior pole and the peripapillary retinal nerve fiber layer (pRNFL) protocols of the Spectralis OCT device...
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461014/comparison-of-corneal-biomechanical-properties-between-indian-and-chinese-adults
#18
Jacqueline Chua, Monisha E Nongpiur, Wanting Zhao, Yih Chung Tham, Preeti Gupta, Charumathi Sabanayagam, Tin Aung, Tien Yin Wong, Ching-Yu Cheng
PURPOSE: To investigate the difference in corneal hysteresis (CH) and corneal resistance factor (CRF) between Indian and Chinese populations. DESIGN: Population-based cross-sectional study. PARTICIPANTS: Three hundred eighty-two Singaporean Indian persons and 764 Singaporean Chinese 50 years of age or older were included from the Singapore Indian Eye Study and Singapore Chinese Eye Study, respectively. METHODS: Participants underwent standardized systemic and ocular examinations and interviewer-administered questionnaires for risk factor assessment...
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461013/aqueous-angiography-aqueous-humor-outflow-imaging-in-live-human-subjects
#19
Alex S Huang, Andrew Camp, Benjamin Y Xu, Rafaella C Penteado, Robert N Weinreb
No abstract text is available yet for this article.
April 28, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28461012/evidence-for-brainstem-motor-nondecussation-as-a-neurologic-substrate-for-periodic-alternating-gaze-deviation
#20
Michael C Brodsky, Suresh Kotagal, Pavel N Pichurin, Mai-Lan Ho
No abstract text is available yet for this article.
April 28, 2017: Ophthalmology
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