نتایج جستجو برای: rotman lens

تعداد نتایج: 50835  

2009
Michael J. Strong Gloria M. Grace Morris Freedman Cathy Lomen-Hoerth Susan Woolley-Levine Christen Shoesmith Jeffery Rosenfeld Nigel Leigh Lucie Bruijn Paul Ince Denise Figlewicz

(1) Department of Clinical Neurological Sciences, The University of Western Ontario, London, Ontario, Canada (2) Psychological Services, London Health Sciences Centre, London, Ontario, Canada (3) Division of Neurology, Behavioural Neurology Program, and Rotman Research Institute, Baycrest; Division of Neurology, Department of Medicine, Mt. Sinai Hospital, University Health Network, and Universi...

2017
Elizabeth Lyons Laurina Zhang

Funding information Social Sciences and Humanities Research Council of Canada; Centre for Innovation and Entrepreneurship at the Rotman School of Management, University of Toronto; SSHRC Research Summary: We evaluate a technology entrepreneurship training program by comparing career decisions among applicants accepted into the program with unaccepted applicants who are program finalists. We fin...

Journal: :Math. Meth. of OR 2010
Opher Baron Oded Berman David Perry

This paper is an in-depth treatment of an inventory control problem with perishable items. We focus on two prototypes of perishability for items that have a common shelflife and that arrive in batches with zero lead time: (i) sudden deaths due to disasters (e.g., spoilage because of extreme weather conditions or a malfunction of the storage place) and (ii) outdating due to expirations (e.g., me...

Journal: :New Media & Society 2014
Sonja Utz

Editors Hassan Masum and Mark Tovey put together a compilation of articles discussing the implications of social networking and other internet tools in the shaping of systems throughout the world in The Reputation Society: How Online Opinions Are Reshaping the Offline World. Hassan Masum is Innovation Lead at the McLaughlin-Rotman Centre for Global Health, Affiliate Researcher at the Waterloo I...

2012
Catherine Tucker

This paper explores how digitization and the associated use of customer data have affected the evolution of consumer privacy concerns. We measure privacy concerns by reluctance to disclose income in an online marketing research survey. Using over three million responses over eight years, our data show: (1) Refusals to reveal information have risen over time, (2) Older people are less likely to ...

Journal: :بینا 0
محمدرضا روحانی mr rohani zahedan university of medical sciences, zahedan, iranزاهدان- میدان آزادی- بلوار شهید مطهری (بلوار فرودگاه)- بیمارستان فوق تخصصی چشم پزشکی الزهرا (س) سیامک دلفزا باهر s delfaza-baher zahedan university of medical sciences, zahedan, iranزاهدان- میدان آزادی- بلوار شهید مطهری (بلوار فرودگاه)- بیمارستان فوق تخصصی چشم پزشکی الزهرا (س) حمیدرضا برخورداری یزدی hr barkhordari-yazdi zahedan university of medical sciences, zahedan, iranزاهدان- میدان آزادی- بلوار شهید مطهری (بلوار فرودگاه)- بیمارستان فوق تخصصی چشم پزشکی الزهرا (س)

purpose: to compare aspheric and spherical hydrophilic intraocular lenses (iols) in terms of contrast sensitivity and visual acuity in photopic and mesopic conditions. methods: this triple-blind randomized clinical trial was performed on 40 eyes of 40 patients at al-zahra eye center, zahedan, iran. the eyes were randomized to standard phacoemulsification procedure with spherical (adapt, b&l;) o...

Journal: :iranian journal of veterinary research 2014
m. kibar c. evereklioğlu z. doğan

the aim of this study was to report a new cause of cataract, namely snake bite induced cataract in a dog. a 3-year-old male mongrel dog was referred to our clinic for the assessment of cataract in both eyes. the dog was bitten by a snake nearly 4 months ago. a 40 dioptre acrylic lens with 13 mm haptics was implanted into the lens capsule. in the left eye, posterior synechia was detected in the ...

Journal: :novelty in biomedicine 0
mohammadreza nazari department of optometry, faculty of rehabilitation sciences, shahid beheshti university of medical sciences, tehran, iran saeed rahmani department of optometry, faculty of rehabilitation sciences, shahid beheshti university of medical sciences, tehran, iran bahram khosravi department of optometry, faculty of rehabilitation sciences, shahid beheshti university of medical sciences, tehran, iran seyyed mehdi tabatabaei

background: wearing spectacles is the most common approach in correcting the refractive errors worldwide. due to harmful effects of overexposure to solar ultraviolet radiations, the usage of multi-layer coatings in ophthalmic lenses has recently been increased. these lenses can reduce the reflections and hence increase the transmission of visible light; they can also decrease the transmission o...

Journal: :Investigative ophthalmology & visual science 2015
Judith Birkenfeld Alberto de Castro Susana Marcos

PURPOSE We estimated the contribution of the gradient refractive index (GRIN) and lens surfaces to lens astigmatism and lens astigmatic angle as a function of age in human donor lenses. METHODS Human lenses were imaged, ex vivo, with 3D-spectral optical coherence tomography (OCT) and their back focal length was measured using laser ray tracing. The contribution of lens surfaces and GRIN to le...

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