Since the first report on the use of bioptic telescopic lenses (BTL) by low-vision drivers was published, it has not been definitely determined whether or not drivers using these devices to satisfy visual acuity licensing standards have significantly poorer accident records when compared to drivers from the general driving population. The telescope component is used for spotting, rather than for continuous viewing. Perhaps the most serious disadvantage noted is the presence of a large ring scotoma, or blind area, surrounding the small central magnified area seen when looking through the telescope, and a smaller blind area in the upper part of the visual field when looking through the carrier lens. Several states currently license drivers using the device.


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    Title :

    Accident Record of Drivers with Bioptic Telescopic Lenses


    Contributors:
    M. Janke (author) / G. Kazarian (author)

    Publication date :

    1983


    Size :

    22 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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