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https://www.readbyqxmd.com/read/26436885/previous-driving-experience-but-not-vision-is-associated-with-motor-vehicle-collision-rate-in-bioptic-drivers
#1
Bradley E Dougherty, Roanne E Flom, Mark A Bullimore, Thomas W Raasch
PURPOSE: Bioptic telescopic spectacles (BTS) consist of a small telescope (or telescopes) mounted high in a pair of spectacle lenses. More than 40 states allow for some form of bioptic driving licensure for people with decreased central vision. The purpose of this study was to determine significant associations among previous driving experience, vision, and motor vehicle collisions (MVCs) for bioptic drivers in Ohio. METHODS: We conducted a retrospective study of patients who received a vision examination and subsequently obtained bioptic licensure...
October 2015: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/26094830/myopia-an-epidemic-of-possibilities
#2
EDITORIAL
Mark A Bullimore
No abstract text is available yet for this article.
July 2015: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/25946098/vision-training-hours-and-road-testing-results-in-bioptic-drivers
#3
Bradley E Dougherty, Roanne E Flom, Mark A Bullimore, Thomas W Raasch
PURPOSE: Bioptic telescopic spectacles can be used by people with central visual acuity that does not meet the state standards to obtain an unrestricted driver's license. The purpose of this study was to examine the relationships among visual and demographic factors, training hours, and the results of road testing for bioptic drivers. METHODS: A retrospective study of patients who received an initial daylight bioptic examination at the Ohio State University and subsequently received a bioptic license was conducted...
April 2015: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/25536472/environmental-forensics-evaluation-of-sources-of-sediment-hydrocarbon-contamination-in-milford-haven-waterway
#4
David I Little, Yakov Galperin, Blaise Bullimore, Mike Camplin
Current and historic petroleum-related activities in Milford Haven Waterway (MHW; Wales, UK) contribute to hydrocarbon contamination of surficial sediments. Three main hydrocarbon components of sediments were analyzed: (1) aliphatic hydrocarbons of predominantly biogenic origin, representing about 5-15% of total hydrocarbons (THC); (2) polycyclic aromatic hydrocarbons (PAHs) from recent petrogenic and mainly older pyrogenic sources, representing about 2-6% of THC; (3) unresolved complex mixture from spill-related and heavily-weathered petrogenic sources, representing as much as 70-85% of THC...
February 2015: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/25037319/the-royal-college-of-radiologists-fractionation-survey-1989
#5
T J Priestman, J A Bullimore, T P Godden, G P Deutsch
No abstract text is available yet for this article.
October 2014: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/24673639/myopia-control-the-time-is-now
#6
EDITORIAL
Mark A Bullimore
No abstract text is available yet for this article.
May 2014: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/24600820/on-the-record-interview-by-dan-parton
#7
Peter Bullimore
No abstract text is available yet for this article.
January 2014: Mental Health Today
https://www.readbyqxmd.com/read/24413274/validation-of-an-ipad-test-of-letter-contrast-sensitivity
#8
COMPARATIVE STUDY
Pete S Kollbaum, Meredith E Jansen, Elli J Kollbaum, Mark A Bullimore
PURPOSE: An iPad-based letter contrast sensitivity test was developed (ridgevue.com) consisting of two letters on each page of an iBook. The contrast decreases from 80% (logCS = 0.1) to 0.5% (logCS = 2.3) by 0.1 log units per page. The test was compared to the Pelli-Robson Test and the Freiburg Acuity and Contrast Test. METHODS: Twenty normally sighted subjects and 20 low-vision subjects were tested monocularly at 1 m using each test wearing their habitual correction...
March 2014: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/23892491/the-risk-of-microbial-keratitis-with-overnight-corneal-reshaping-lenses
#9
COMPARATIVE STUDY
Mark A Bullimore, Loraine T Sinnott, Lisa A Jones-Jordan
PURPOSE: To estimate the incidence of microbial keratitis (MK) associated with overnight corneal reshaping contact lenses and to compare rates in children and adults. METHODS: A retrospective study of randomly selected practitioners, stratified by order volume and lens company, was conducted. Practitioners were invited to participate and those agreeing were asked to provide deidentified patient information for up to 50 lens orders and to complete a comprehensive event form for any of these patients who have attended an unscheduled visit for a painful red eye...
September 2013: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/23876813/agreement-between-a-partial-coherence-interferometer-and-2-manual-keratometers
#10
COMPARATIVE STUDY
Mark A Bullimore, Tobias Buehren, Wilfried Bissmann
PURPOSE: To establish repeatability and validity of a partial coherence interferometry (PCI) device in patients with astigmatism. SETTING: Industry and university. DESIGN: Observational studies. METHODS: A prospective study determined the agreement between the IOLMaster 500 PCI device and the Marco 1-position manual keratometer for measurement of mean corneal power, astigmatic power, and axis. Interinstrument and interoperator reproducibility was also assessed...
October 2013: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/23689676/comparison-of-progressive-addition-lenses-by-direct-measurement-of-surface-shape
#11
COMPARATIVE STUDY
Ching-Yao Huang, Thomas W Raasch, Allen Y Yi, Mark A Bullimore
PURPOSE: To compare the optical properties of five state-of-the-art progressive addition lenses (PALs) by direct physical measurement of surface shape. METHODS: Five contemporary freeform PALs (Varilux Comfort Enhanced, Varilux Physio Enhanced, Hoya Lifestyle, Shamir Autograph, and Zeiss Individual) with plano distance power and a +2.00-diopter add were measured with a coordinate measuring machine. The front and back surface heights were physically measured, and the optical properties of each surface, and their combination, were calculated with custom MATLAB routines...
June 2013: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/23287789/quantification-of-age-related-and-per-diopter-accommodative-changes-of-the-lens-and-ciliary-muscle-in-the-emmetropic-human-eye
#12
Kathryn Richdale, Loraine T Sinnott, Mark A Bullimore, Peter A Wassenaar, Petra Schmalbrock, Chiu-Yen Kao, Samuel Patz, Donald O Mutti, Adrian Glasser, Karla Zadnik
PURPOSE: To calculate age-related and per diopter (D) accommodative changes in crystalline lens and ciliary muscle dimensions in vivo in a single cohort of emmetropic human adults ages 30 to 50 years. METHODS: The right eyes of 26 emmetropic adults were examined using ultrasonography, phakometry, anterior segment optical coherence tomography, and high resolution magnetic resonance imaging. Accommodation was measured both subjectively and objectively. RESULTS: In agreement with previous research, older age was linearly correlated with a thicker lens, steeper anterior lens curvature, shallower anterior chamber, and lower lens equivalent refractive index (all P < 0...
February 7, 2013: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/23282335/cross-reactivity-in-grasses-biochemical-attributes-define-exemplar-relevance
#13
Alan Bullimore, Toby Batten, Simon Hewings, Karl Juergen Fischer von Weikersthal-Drachenberg, Murray Skinner
INTRODUCTION: : Broad-spectrum grass pollen immunotherapies contain large numbers of allergenic proteins from multiple species. The principle of homologous grouping is used as a tool to assist in the standardization of allergen immunotherapy. This study reviews the principle of homologous grouping, questions what an exemplar grass should be, and queries whether a 1-way system of inferring homology is appropriate. METHODS: : Grass pollens were extracted and analyzed using a variety of techniques, including enzyme-linked immunosorbent assay, Bradford protein assay, sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and quantitative analysis of Western blots...
October 2012: World Allergy Organization Journal
https://www.readbyqxmd.com/read/23268462/a-proteomic-style-approach-to-characterize-a-grass-mix-product-reveals-potential-immunotherapeutic-benefit
#14
Alan Bullimore, Nicola Swan, Wemimo Alawode, Murray Skinner
BACKGROUND: Grass allergy immunotherapies often consist of a mix of different grass extracts, each containing several proteins of different physiochemical properties; however, the subtle contributions of each protein are difficult to elucidate. This study aimed to identify and characterize the group 1 and 5 allergens in a 13 grass extract and to standardize the extraction method. METHODS: The grass pollens were extracted in isolation and pooled and also in combination and analyzed using a variety of techniques including enzyme-linked immunosorbent assay, liquid chromatog-raphy-mass spectrometry, and sodium dodecyl sulfate-polyacrylam-ide gel electrophoresis...
September 2011: World Allergy Organization Journal
https://www.readbyqxmd.com/read/23230997/voice-hearer-s-perceptions-of-recovery-findings-from-a-focus-group-at-the-second-world-hearing-voices-festival-and-congress
#15
M L Percy, P Bullimore, J A Baker
No abstract text is available yet for this article.
August 2013: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/23069724/comparison-of-three-techniques-in-measuring-progressive-addition-lenses
#16
COMPARATIVE STUDY
Ching-Yao Huang, Thomas W Raasch, Allen Y Yi, James E Sheedy, Brett Andre, Mark A Bullimore
PURPOSE: To measure progressive addition lenses (PALs) by three techniques and to compare the differences across techniques. METHODS: Five contemporary PALs (Varilux Comfort Enhanced, Varilux Physio Enhanced, Hoya Lifestyle, Shamir Autograph, and Zeiss individual) with plano distance power and a +2.00 diopters (D) add were evaluated under the condition of lateral displacement of the lens (no rotation and no tilt) using three methods. A Hartmann-Shack wavefront sensor (HSWFS) on a custom-built optical bench was used to capture and measure wavefront aberrations...
November 2012: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/22922779/the-effect-of-phenylephrine-on-the-ciliary-muscle-and-accommodation
#17
COMPARATIVE STUDY
Kathryn Richdale, Melissa D Bailey, Loraine T Sinnott, Chiu-Yen Kao, Karla Zadnik, Mark A Bullimore
PURPOSE: To objectively measure changes in the human ciliary muscle dimensions in vivo after instillation of topical phenylephrine, a mydriatic and vasodilating agent. METHODS: A cross-sectional study of 25 healthy young adults was conducted. Measurements of pupil size, accommodation, and ciliary muscle thickness were made both before and 30 min after instillation of 1% proparacaine and 2.5% phenylephrine. Accommodation was measured in three ways: subjectively using a push-up technique and Royal Air Force (RAF) rule, and objectively using both the Grand Seiko autorefractor and PowerRefractor...
October 2012: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/22276110/site-of-allergic-airway-narrowing-and-the-influence-of-exogenous-surfactant-in-the-brown-norway-rat
#18
Sana Siddiqui, Kimitake Tsuchiya, Paul-André Risse, Sharon R Bullimore, Andrea Benedetti, James G Martin
BACKGROUND: The parameters R(N) (newtonian resistance), G (tissue damping), and H (tissue elastance) of the constant phase model of respiratory mechanics provide information concerning the site of altered mechanical properties of the lung. The aims of this study were to compare the site of allergic airway narrowing implied from respiratory mechanics to a direct assessment by morphometry and to evaluate the effects of exogenous surfactant administration on the site and magnitude of airway narrowing...
2012: PloS One
https://www.readbyqxmd.com/read/21686709/a-case-report-of-a-salivary-amylase-secreting-plasmacytoma-in-a-patient-with-multiple-myeloma
#19
Serena L Harborne, Rachael Curley, David W Bullimore, Dominic Chan-Lam, Jean-Pierre Ng, Philip T McAndrew
A 70-year-old lady with a past medical history of light chain myeloma, chronic renal failure and a left breast plasmacytoma treated with radiotherapy was admitted for drainage of a subsequent left pleural effusion. She was given high dose steroids for her myeloma, following which she developed abdominal pain suspicious of pancreatitis. Results revealed a raised serum amylase of 5117, a modified Glasgow score of 3 and normal calcium levels. The working diagnosis was drug-induced pancreatitis and steroids were stopped...
2009: BMJ Case Reports
https://www.readbyqxmd.com/read/21423035/morphometric-analysis-and-classification-of-glaucomatous-optic-neuropathy-using-radial-polynomials
#20
Michael D Twa, Srinivasan Parthasarathy, Chris A Johnson, Mark A Bullimore
PURPOSE: To quantify the morphological features of the optic nerve head using radial polynomials, to use these morphometric models as the basis for classification of glaucomatous optic neuropathy via an automated decision tree induction algorithm, and to compare these classification results with established procedures. METHODS: A cohort of patients with high-risk ocular hypertension or early glaucoma (n=179) and a second cohort of normal subjects (n=96) were evaluated for glaucomatous optic neuropathy using stereographic disc photography and confocal scanning laser tomography...
June 2012: Journal of Glaucoma
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