Now showing items 1-6 of 6

    • Bifocals in children with Down syndrome (BiDS) 

      Nandakumar, Krithika (University of Waterloo, 2010-07-28)
      Down syndrome (DS) is the most common genetic cause of mental challenge in individuals and is associated with many ocular disorders. One of these anomalies which is frequently present in this population is reduced accommodation ...
    • Binocular adaptation to near addition lenses in emmetropic adults 

      Sreenivasan, Vidhyapriya; Irving, Elizabeth; Bobier, William (Elsevier, 2008-05)
      Near addition lenses are prescribed to pre-presbyopic individuals for treatment of binocular motor problems such as convergence excess and to control the progression of myopia. To date, no investigation has looked at the ...
    • Calibration and validation the Dynamic Photorefraction System (DPRS) 

      Labhishetty, Vivek (University of Waterloo, 2014-09-25)
      Introduction: Our group has been measuring accommodation in myopic children. The instrument of choice has been the Power Refractor (Multichannel Systems). However, this instrumentation is no longer supported and runs on ...
    • Dose-effect autonomic responses to ocular surface stimulation 

      Alabi, Emmanuel (University of Waterloo, 2018-04-26)
      Introduction: The ocular surface is one of the most densely innervated superficial tissues of the human body supplied extensively by autonomic and sensory nerve fibres. Studies have shown that ocular surface sensory neurons ...
    • 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 ...
    • Understanding the sensory and motor behavior of accommodation in progressive myopic children 

      Labhishetty, Vivek (University of Waterloo, 2017-09-27)
      Introduction: Accommodation and vergence, in unison, help in maintaining a clear and single binocular vision, a linchpin for normal vision development. Under natural viewing conditions, accommodation and vergence systems ...


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