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    Course Description

    Contact Lens Design

    course starts with a discussion of the various contact lens designs
    to include scleral, corneal and semi-scleral lenses. Some basic terminology
    is covered and the various materials from which contact lenses can be
    made are surveyed and placed into historical perspective. The uses,
    advantages and disadvantages of the lens materials are discussed. The
    parts of a contact lens will be covered to include optic zone, peripheral
    curve, base curve, junction zone, and radius of curvature. The need
    for diopter to millimeter conversion is presented and a chart is included.
    It also discusses the relationship between sagitta depth and fit. Changing
    sagitta depth by manipulating lens diameter and/or base curve radius
    is presented. The course concludes with a brief glossary of the terms