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At least 19 recordsLinked to original sources
PubMed2001

[CDT a valuable marker of overconsumption of alcohol. Guidelines for its use in connection with automobile driver examination].

According to the medical regulations for obtaining a driver's license in Sweden, alcohol abuse/dependency constitutes sufficient grounds for denial. In the case of a conviction for gross drunk driving, it is incumbent upon the offender to present a medical certificate verifying a "sober lifestyle". Biological markers are important tools for proving alcohol abuse in each of these contexts. In this connection, CDT analyses play a key role through their high marked specificity for increased alcohol consumption. The authors have agreed upon the guidelines as presented in this paper for determining sobriety as it pertains to possession of a driver's license. Special emphasis is placed on how CDT tests should be used and interpreted in such contexts, as well as their value as evidence in the case of increased CDT levels.

Alcohol Drinking↗
PubMed1993

[The Freiburg Stereotest. On assessment of stereovision in automobile driver examination].

BACKGROUND: The "Freiburg Stereotest" is a new instrument where disparate pictures are generated by a computer and displayed on one single high resolution video monitor. In the present work, the Freiburg Stereotest was used to check the stereo qualification for certain categories of driver's licence. For this purpose, a determination of the smallest detectable disparity is not reasonable. Rather, it should be checked whether or not a certain disparity, usually well above threshold, is recognized with a sufficient reliability. We have chosen a disparity of 100 arcsec; this value is considered to be an acceptable requirement for certain categories of driver's licence. SUBJECTS AND METHODS: 6 strabismic subjects were examined binocularly and 10 normal subjects were examined both binocularly and monocularly. Two targets ("busses"), side by side and different in depth by a disparity of 100 arcsec, were presented 78 times and, in a two-alternative forced-choice procedure, a minimum of 66 hits was required to pass the test. Monocular cues were excluded by a systematic variation of the lateral distance between the two targets. RESULTS: The strabismic subjects and the monocularly occluded normal subjects reached random scores only. With both eyes open, 8 of the 10 normal subjects reached scores near 100%, while 2 of them passed the test only when the lateral distance between the two targets was 15 minarc or less. For a lateral distance between the two targets of more than 15 minarc, these 2 subjects showed a learning effect. CONCLUSIONS: The Freiburg Stereotest allows to determine with statistical significance whether or not a proband can recognize a certain disparity which may be required for a driver's licence.

Adult↗