Background Hitherto recommendations and thresholds for contrast tests are available for
mesopic but not for photopic methods. While mesopic tests are widespread in …

Background Since 2011 the regulations for occupational driving licences make the
examination of contrast vision sensitivity obligatory; however, apart from mesopic …

In this study different methods for determining the mesopic visual acuity in candidates for
driving licences group 2 are presented (Royal Decree, 1998, European norms). Results of …

Background To evaluate mesopic contrast sensitivity in conditions of glare and no glare in a
vehicle driver population, and to explore the effects of age, habitual spectacle correction …

Aim Although contrast vision is not routinely tested, it is important: for instance, it predicts
traffic incidents better than visual acuity. Mesopic contrast sensitivity (CS) testing …

Background Elderly persons applying for driving licence frequently are not able to fulfil the
recommendations given by DOG and relating to twilight vision without and with glare. One …

Purpose The visual standard to hold a UK driver's license since 2012 includes visual acuity
(VA) measured indoors and the ability to read a car numberplate outdoors. Individuals with …

Aims: To evaluate straylight and contrast sensitivity in cataractous eyes of different
morphologies, and to determine which type of cataract presents higher impairment of visual …

Purpose It is well established that visual acuity (VA) decreases with luminance but the
specific factors that are responsible remain unclear. The purpose of this study was to …

Background This study was carried out to investigate the relationship between the frequency
of traffic accidents and impaired vision. Materials and methods Seven hundred and fifty-four …