Ophthalmology and Visual Sciences

  • Types of Optical Devices used for Vision Rehabilitation

    Projection magnifier

    Commonly prescribed vision rehabilitation devices include:

    • prescription magnification spectacles
    • microscopic spectacles
    • filters to reduce glare and increase contrast
    • hand and stand magnifiers
    • hand held and spectacle mounted telescopic systems
    • electronic magnification including closed circuit televisions that enlarge print and enhance contrast for reading and writing
    • head borne magnification systems, for distance, intermediate and near vision enhancement

    hand-held magnifier

    hand held magnifiers

    desk-top magnifier

    Non-optical devices available include:

    • bold tipped pens
    • illumination devices
    • large print books and magazines
    • talking books
    • audio tapes
    • reading stands
    • optical scanners for reading printed text
    • computer software to enhance the video output or electronically read materials presented on the video screen