Visibility Vol 13 Issue 1, 2019

Most states allow for some form of driving licensure with the aid of bioptic telescope spectacles (BTS). BTS consist of a small telescope lens mounted in the upper portion of a distance prescription lens. Past studies of the driving exposure of bioptic drivers mainly used self-report assessments (e.g. questions from the Driving Habits Questionnaire on trip locations and frequency or simple survey of yearly mileage), but the accuracy of this method is unclear. The purpose of this study was to compare estimates of self-reported mileage driven with estimates obtained using naturalistic recording in bioptic drivers’ own cars.

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