Glare from headlights can also become more uncomfortable.
Reaction Time
Responding to an unexpected pedestrian, cyclist, vehicle, or obstacle may take longer than it once did.
Even a small delay can matter when driving at higher speeds.
Flexibility and Strength
Turning the head to check blind spots, looking over the shoulder, getting in and out of the vehicle, or making quick steering movements can become more difficult.
Attention and Memory
Driving requires constant attention. A driver needs to monitor traffic, road signs, pedestrians, signals, and changing road conditions simultaneously.
Difficulty
