Each is necessary, with a varying degree in
performance of the driving task.
Physical Function - range
of motion, strength, coordination, endurance and sensation.
Vision - visual acuity,
depth perception, contrast sensitivity, peripheral, color
Cognition - attention,
judgment, memory, spatial, perception, problem solving
Reaction Time - ability to
respond timely and accurately with regard to the driving task.
Self Control - ability to
modulate oneself in reponse to demands in a driving environment.
(A physician order/plan may be