Now showing items 148-167 of 246

    • Monocular Adaptation of Vestibulo-Ocular Reflex (VOR) 

      Sehizadeh, Mina (University of Waterloo, 2005)
      Purpose: This study asks whether active horizontal angular Vestibulo-Ocular Reflex (VOR) gain is capable of monocular adaptation after 4 hours of wearing 10 dioptres (D) of induced anisometropia in healthy human adults. ...
    • Morphometric Characterization of Limbal Vasculature using Ultra-high Resolution Optical Coherence Tomography 

      Alabi, Emmanuel (University of Waterloo, 2013-09-27)
      Purpose: The aim of the present study was to compare and investigate morphometric characteristics of limbal vasculature within the superior and inferior limbal regions using ultra-high resolution optical coherence ...
    • Motion Processing of Reverse Phi 

      Kuppuswamy Parthasarathy, Mohana (University of Waterloo, 2019-11-18)
      Introduction: When the contrast of the successive images is reversed for a target in an apparent motion stimulus, the perceived direction is reversed, i.e., opposite of phi motion, which is an integration of the sequential ...
    • MRI guided brain stimulation without the use of a neuro-navigation system. 

      Vaghefi, Ehsan; Cai, Peng; Fang, Fang; Byblow, Winston D.; Stinear, Cathy M.; Thompson, Benjamin (Hindawi Publishing, 2015-01-01)
      A key issue in the field of noninvasive brain stimulation (NIBS) is the accurate localization of scalp positions that correspond to targeted cortical areas. The current gold standard is to combine structural and functional ...
    • Multisensory attention training for treatment of tinnitus 

      Spiegel, Daniel P.; Linford, T.; Thompson, Benjamin; Petoe, Matt A.; Kobayashi, K.; Stinear, Cathy M.; Searchfield, Grant D. (Springer Nature, 2015-05-28)
      Tinnitus is the conscious perception of sound with no physical sound source. Some models of tinnitus pathophysiology suggest that networks associated with attention, memory, distress and multisensory experience are involved ...
    • Near addition lenses as a tool to investigate vergence adaptation in myopic children 

      Sreenivasan, Vidhyapriya (University of Waterloo, 2011-08-12)
      Accommodation and vergence are two interacting ocular motor systems that function to maintain clear and single vision across a wide range of distances. Sustained fixation results in the adaptation of these ocular motor ...
    • Neonatal Glycemia and Neurodevelopmental Outcomes at 2 Years 

      McKinlay, Christopher J.D.; Alsweiler, Jane M.; Ansell, Judith M.; Anstice, Nicola S.; Chase, J. Geoffrey; Gamble, Gregory D.; Harris, Deborah L.; Jacobs, Robert J.; Jiang, Yannan; Paudel, Nabin; Signal, Matthew; Thompson, Benjamin; Wouldes, Trecia; Yu, Tzu-Ying; Harding, Jane E. (Massachusetts Medical Society, 2015-10-15)
      Neonatal hypoglycemia is a common and readily treatable risk factor for neurologic impairment in children. Although associations between prolonged symptomatic neonatal hypoglycemia and brain injury are well established,1 ...
    • Neural modulation of the human visual cortex 

      Abuleil, Dania (University of Waterloo, 2020-09-30)
      Neuroplasticity is a phenomenon that refers to the brain’s ability to reorganize, strengthen, and form neural connections, a process that becomes increasingly more difficult with age. Gamma amino-butyric acid (GABA), the ...
    • A New Portable Digital Meniscometer 

      Bandlitz, Stefan; Purslow, Christine; Murphy, Paul J.; Pult, Heiko; Bron, Anthony J. (Wolters Kluwer, 2014-01)
      Purpose: The aims of this study were (i) to develop a new portable slit-lamp mounted digital meniscometer (PDM) and (ii) to test its accuracy and repeatability compared to the existing Yokoi et al. videomeniscometer ...
    • Non-invasive brain stimulation of the primary visual cortex of healthy adults and individuals with amblyopia 

      DONKOR, RICHARD (University of Waterloo, 2021-05-03)
      Introduction: Amblyopia is a neurological condition that affects the visual cortex and causes visual deficits, typically in one eye. Recovery from amblyopia requires significant visual cortex neuroplasticity to allow for ...
    • A novel Automatic Optic Disc and Cup Image Segmentation System for Diagnosing Glaucoma using RIGA dataset 

      Almazroa, Ahmed (University of Waterloo, 2016-04-07)
      The optic nerve head (ONH) of the retina is a very important landmark of the fundus and is altered in optic nerve pathology especially glaucoma. Numerous imaging systems are available to capture the retinal fundus and from ...
    • Novel methods for the evaluation of the tear film in the diagnosis of dry eye 

      Keech, Adam John (University of Waterloo, 2010-09-27)
      Dry eye is a complex, multi-factorial disease that results in a compromised tear film and ocular surface. Clinicians and researchers alike have historically relied on an individual’s symptoms to diagnose and manage the ...
    • Objective assessment of Visual acuity in infants 

      Hathibelagal, Amithavikram (University of Waterloo, 2013-08-06)
      Purpose Early detection of abnormal visual acuity (VA) is crucial in the identification and management of ocular and visual abnormalities in infants. Currently, the Teller Acuity Cards (TACs) are considered the gold ...
    • Ocular Discomfort Upon Tear Drying 

      Varikooty, Jalaiah (University of Waterloo, 2003)
      <b>Purpose:</b> Assess the relationship between tear film drying and sensation between blinks. <b>Methods:</b> MATLAB sampled a slitlamp video camera, a potentiometer and a microphone while subjects kept one eye open ...
    • Ocular impression-taking - which material is best? 

      Turner, Jennifer; Purslow, Christine; Murphy, Paul J. (Wolters Kluwer, 2019-01)
      Objectives: To assess the efficacy and effect on clinical signs of a polyvinylsiloxane (Tresident; Shütz Dental Group GmbH, Germany) compared with an irreversible hydrocolloid (Orthoprint; Zhermack SpA, Badia Polesine, ...
    • Ocular Perfusion Pressure in Spaceflight-Associated Neuro-Ocular Syndrome 

      Mohiar, Yara (University of Waterloo, 2020-10-26)
      Purpose: Spaceflight associated neuro-ocular syndrome (SANS) is considered by the National Aeronautics and Space Administration (NASA) as one of the most significant barriers to long term space exploration (Larkin, 2018). ...
    • Ocular Surface Sensory Processing and Signal Detection Theory 

      Jayakumar, Varadharajan (University of Waterloo, 2021-09-28)
      Purpose: The main aim of the experiments in this thesis is to evaluate the feasibility of using signal detection theory (SDT) to determine the detectability and bias of various ocular surface pneumatic stimuli. Chapter ...
    • Optimization of Sweep Visually Evoked Potential (sVEP) in Adults 

      Yadav, Naveen Kumar (University of Waterloo, 2008-05-01)
      Purpose and hypothesis: The purpose of this study was to optimize and standardize the following parameters of sweep Visually Evoked Potential (sVEP) in adults: criteria for fitting the regression line to estimate threshold, ...
    • An Optokinetic Nystagmus Detection Method for Use With Young Children 

      Sangi, Mehrdad; Thompson, Benjamin; Turuwhenua, Jason (Institute of Electrical and Electronics Engineers, 2015-03-05)
      The detection of vision problems in early childhood can prevent neurodevelopmental disorders such as amblyopia. However, accurate clinical assessment of visual function in young children is challenging. optokinetic nystagmus ...
    • The Optometric Management of Concussion 

      Yeboah, Anne Marie (University of Waterloo, 2022-01-31)
      Traumatic brain injury is a major public health problem that affects millions of people annually and hundreds of people experience brain injury daily. Many of these individuals develop visual symptoms. Optometrists play a ...

      UWSpace

      University of Waterloo Library
      200 University Avenue West
      Waterloo, Ontario, Canada N2L 3G1
      519 888 4883

      All items in UWSpace are protected by copyright, with all rights reserved.

      DSpace software

      Service outages