VisionScienceList: Please post

From: Sharon Dahmer (
Date: Wed Sep 19 2001 - 08:29:39 PDT

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    Graduate Student Opportunities
    The Vision Science Program at the School of Optometry, University of
    Waterloo offers a diverse background of vision science research such as
    anatomy, physiology, neurophysiology, optics, visual psychophysics,
    perception, ocular pathology, toxicology, epidemiology, development of
    clinical methods for the assessment of vision, etc.
    To determine your eligibility for the MSc/PhD degrees in Vision Science
    please refer to the Graduate Program information page.

    The following research faculty members are currently looking for graduate
    students at the MSc or PhD level for research positions within their
    ∑ ∑ Dr. William Bobier
    Dr. Bobier's research has considered the reciprocity between the optical
    properties of the eye (refractive error), ocular focus (accommodation) and
    alignment (vergence). Investigations have focussed on designs and
    applications of instrumentaion for the measurement of refractive error;
    studies pertaining to ocular alignment and ocular focus and studies dealing
    with large population investigations of refractive error measurements in
    infants and children.
    ∑ ∑ Dr. Melanie Campbell
    The research in my lab centres on the optical quality on the retina of the
    eye. We investigate the fundemental factors limiting the quality of the
    optical image, the effects of these limitations on vision and visual
    development, optical quality during growth and following refractive
    surgeries and the effect of the optics of the eye on diagnostic and
    therapeutic instruments which image structures at the rear of the eye.
    We are recruiting M.Sc. and Ph.D. students and postdoctoral fellows,
    preferrably with some training in visual optics, physics or engineering.
    Experimental and theoretical projects are available, answering fubdemental
    and applied questions.
    ∑ ∑ Centre for Contact Lens Research (CCLR)
    The Centre for Contact Lens Research (CCLR) is continuously looking for
    suitably qualified candidates to conduct contact lens research at the
    Post-Graduate level, at both PhD and MSc levels. The CCLR studies a wide
    variety of topics related to the eye, the ocular response to contact lens
    wear, contact lens materials and contact lens care products. The CCLR has
    laboratory facilities for studying ocular physiology, visual performance
    and psychophysical phenomena associated with contact lens use as well as
    contact lens wettability and deposition. Collaboration with faculty within
    the School of Optometry and other University of Waterloo departments such
    as Chemical Engineering, Chemistry, Systems Design Engineering and Physics
    is intended to provide applicants with an ability to work with several
    other disciplines.
    Current research areas include: Extended wear of contact lenses Presbyopic
    contact lens options The tear film, corneal and epithelial thickness
    Imaging and digitizing ocular features Corneal and conjunctival sensitivity
    The symptomology of contact lens wear Contact lens wettability and
    deposition Of particular appeal are those candidates who have an interest
    in the areas of image analysis, biochemistry, biomedical engineering and
    optics. A degree in optometry or ophthalmology would be advantageous for
    such applicants, but is not essential. For further information please
    contact: Dr. Desmond Fonn
    Dr. Lyndon Jones or
    Dr. Trefford Simpson
    ∑ ∑ Dr. John Flanagan
    ∑ ∑ Dr. Christopher Hudson
    Dr. Hudsonís research aims: (i) to increase our understanding of the
    patho-physiological processes underlying the development of retinal
    disease; and (ii) to improve the clinical monitoring of retinal disease.
    Much of this work is centred on macular edema, a sight-threatening
    complication of diabetes. Current work focuses: (i) on establishing the
    natural history of diabetic macular edema using clinical techniques, laser
    Doppler retinal capillary blood flow, psychophysical assessment of the
    short-wavelength sensitive pathway and objective measurements of retinal
    thickness; and (ii) on determining the impact of blood oxygenation, plasma
    glucose and insulin levels upon retinal capillary blood flow, retinal
    sensitivity and retinal thickness. The research is undertaken within the
    Multi-Disciplinary Laboratory for the Research of Sight-Threatening
    Diabetic Retinopathy based at the Toronto Western Hospital, Toronto and in
    the School of Optometry, Waterloo. It is anticipated that the research will
    lead to a new classification of early macular edema in people with diabetes.
    ∑ ∑ Dr. Natalie Hutchings
    ∑ ∑ Dr. Elizabeth Irving
    Dr. Irving's research interests are in the natural development of the eye
    and visual system and the capacity for adaptation of the eye and visual
    system which may occur as a result of daily living, experimental
    manipulation, disease or the treatment of disease. At present I have
    investigations in two main areas, 1) refractive development and
    experimental ametropia including sign detection, fluid dynamics, and
    mechanism localization and 2) eye movement development in health and disease.
    ∑ ∑ Dr. Irving's Lab Page
    ∑ ∑ Dr. Susan Leat
    Dr. Leat's research interests are in two main areas; low vision and
    pediatric optometry. InN the field of low vision, she studie the impact of
    low vision on functional performance and quality of life. They have studied
    the reading process in low vision, by consideration of contrast
    sensitivity, spectral sensitivity, eye movements and spatial frequency
    requirements in people with normal low vison. We are studying the
    effecitveness of digital image processing for increasing the visibility of
    picture images for people with low vision. Dr. Leat is also interested in
    measuring the impact of low vision rehabilitation in people's lives, e.g.,
    how low vision intervention affects quality of life. In the field of
    pediatric optometry studies have included the development and validation of
    tests of visual function in children and patients with special needs, and
    accommodation in children with special needs and low vision.
    Dr. Leat is currently seeking a PhD student to investigate the benefits of
    image processing alogrithms in improving the visibility of picture images
    for people with macular degeneration. Applicants are being sought with a
    background in Optometry, Ophthalmology or Vision Science, plus computer
    usage and a knowledge of, and interest in, psychophysics, image processing
    and low vision.
    ∑ ∑ Dr. Michelle Senchyna
    Current and future work revolves around three distinct and exciting projects.
    Pathophysiology of dry eye. Primary focus involves a molecular biochemical
    analysis of immunological / inflammatory mediators present in tear film,
    ocular surface tissues and on contact lenses utilizing a variety of
    techniques including Western blotting, ELISA, HPLC, RT-PCR and cell
    culture. Involves the study of distinct populations of human subjects
    including those who where contact lenses, geriatrics and post-LASIK
    patients. Application towards discovering the pathophysiological
    etiology(ies) of dry eye and identifying reliable clinical markers to
    assess novel treatments for dry eye.
    Contact lens deposition patterns. Primary focus involves the biochemical
    identification and quantification of debris composition depositing on
    traditional and novel silicon-hydrogel contact lenses utilizing methods
    such as Western blotting. ELISA, spectrophotometry and HPLC. Application
    towards delineating the complex interactions governing contact lens
    deposition, the clinical implications towards patient comfort and
    performance and the role that various contact lens care regimens play on
    varying the degree and composition of deposition.
    Molecular pharmacology of human prostanoid receptors and their regulation.
    Focus involves the determination of human ocular prostanoid receptor
    expression using both qualitative and quantitative RT-PCR and delinating
    binding and signalling characteristics of prostanoid receptors via a number
    of techniques including radioligand binding assays, Western blotting and
    second messenger assays. Application towards understanding the role(s)
    played by prostanoids in ocular inflammation and aqueous humor dynamics.
    Clinical application to glaucoma and ocular inflammatory conditions.
    For more information, click here to see what is new in the Biomaterials and
    Ocular Surface Disease Group.
    ∑ ∑ Dr. Trefford Simpson
    Corneal sensitivity related especially to contact lens wear, binocular
    visual function, especially inhibitory binocular interactions. The
    psychophysics of parallel visual processing. Psychophysical and
    electrophysiological clinical visual tests.
    ∑ ∑ Centre for Contact Lens Research
    ∑ ∑ Dr. Jacob Sivak
    Graduate students wanted for exciting research projects in an active lab
    supported by NSERC and private industry. The research may involve basic
    problems of eye growth and embryology and/or studies related to cataract
    development or ocular toxicology. Students with a biological background may
    enroll in a combined Vision Science / Biology program. Teaching
    assistantship (TA) plus research assistantship (RA) support totaling
    $20,000 per year (the level of RA support will be subject to whether the
    student is the recipient of a major scholarship award) is available
    Dr. Sivak's main research deals with i) comparative anatomy and physiology
    of the vertebrate eye with emphasis on adaptations related to vision in air
    and vision in water; ii) factors affecting pre and post-natal development
    of the ocular lens; iii) biology of the ocular lens in terms of
    understanding cataract development; iv) developmental biology of the eye
    from a refractive point of view and finally v) development of in vtiro eye
    toxicity sytem.
    ∑ ∑ Dr. Sivak's Lab Page

    If you are interested in obtaining an information/application package for
    the above positions, please send your name and full mailing address to
    Sharon Dahmer. If you have any questions or concerns, please contact Sharon
    at (519) 888-4567 ext. 5039.

    September 5, 2001

    Sharon Dahmer
    Coordinator for Graduate Studies
    School of Optometry
    (519) 888-4567 x5039 (t)
    (519) 725-0784 (f)

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