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    Course Description

    to Low Vision

    With age, most people
    experience normal changes in vision which can typically be corrected
    with standard prescription eyeglasses or contact lenses. Age-related
    eye diseases, however, such as cataracts, macular degeneration, diabetes
    or glaucoma, can result in vision impairment and may mean unnecessary
    loss of independence and diminished quality of life for many older Americans.
    Impaired vision, that which cannot be corrected by regular eyeglasses
    or contact lenses or by medical or surgical intervention, can range
    from partial sight to total blindness.

    According to the
    New York Lighthouse Low Vision Services National Survey On Vision Loss,
    approximately 120,000 Americans are either totally blind or can experience
    light perception only; three million more report an inability to read
    regular newsprint, a common criterion for defining severe vision impairment.
    The incidence of vision impairment increases with advancing age, and
    given the increasing numbers of older Americans, the problems associated
    with vision loss clearly need to be addressed. For a growing number
    of eyecare professionals, low vision dispensing is a career path well
    worth pursuing.

    Upon completion
    of this course, the participant should be able to:

    • Identify
      the low vision patient
    • Explain
      how visual acuity and visual fields are measured
    • Name at least four
      diseases which can lead to vision impairment
    • Describe the symptoms
      associated with at least four diseases which can lead to vision impairment

    • Explain how magnification is able to help the vision impaired patient
    • Describe three
      methods by which magnification can be achieved

    • Describe at least three types of optical low vision aids
    • Explain
      how absorptive lenses can aid a low vision patient
    • Describe at least
      four nonoptical low vision aids

    • Describe at lease three nonvisual low vision aids