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3. Psychological & Physiological

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10. Night Vision

Night vision is essential for driving safely in low light conditions, such as at night. It enables you to see well under reduced illumination levels, which can vary significantly among drivers.

Driving safely at night not only requires good vision in low light but also the ability to perceive low-contrast objects. For instance, a person wearing dark clothing crossing the street in front of a driver is much harder to detect at night due to the reduced contrast between the pedestrian and the dark background.

Poor night vision while driving can lead to various issues, including:

  • Inability to react promptly to hazards in front of your vehicle.
  • Tailgating, as it becomes challenging to maintain a safe following distance.
  • Difficulty in steering correctly to avoid low-contrast road features, such as the edges of the roadway and other irregularities on the road surface.

To drive safely at night, it's crucial to have good night vision and be able to perceive low-contrast objects effectively. Regular eye check-ups and avoiding distractions while driving can help ensure your night vision remains optimal for safer nighttime travel.




Lesson Summary


  

Lesson 3 Quiz


You will now answer 5 questions to test what you learned during this lesson. You must answer all questions correctly to receive completion credit for this lesson. You may answer the questions as many times as necessary to get them right.

You should review the lesson material if you don't do well on the quiz.

  1. Your "Field of Vision" is:


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  2. When listening to your car radio, or other audio device:


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  3. The colorless, odorless and poisonous gas from the exhaust is called:


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  4. A vehicles' "blind spots" are:


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  5. The "P" in the SIPDE process stands for:


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