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 recognition.
   

• 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 required)