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16 Cards in this Set
- Front
- Back
Importance of Vision |
Effective use of vision is critical to safe driving. Most important human sense to driving. 60% of the human brain is devoted to vision. |
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Line of Sight |
Imaginary line that extends from the eyes to the point of focus, can be blocked. |
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Path of Travel |
Space into which the driver can safely direct the vehicle with the lowest possible risk |
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When a drivers line of sight and path of travel are blocked… |
Decide on lane position and speed adjustments to handle hazards |
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Central vision |
Provides detail of objects |
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Fringe or focal vision |
Judges depth and position |
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Peripheral vision |
Detects changed in color and object movement |
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Colorblind colors |
Green and blue |
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Color blindness… |
Is the inability to distinguish among colors. Drivers with color blindness use sign shapes to drive safely |
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What is “searching”? |
Looking far, near, side to side, and best way to keep from getting involved in emergency driving situations |
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Visual lead |
20-30 sec |
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Final Response Zone |
4-6 sec |
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Visual control zone |
12-15 sec |
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Visual control zone |
12-15 sec |
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Sudden braking means |
You are not searching far enough ahead |
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Visual checks is… |
To the left/right before changing lanes is important because it covers areas not visible in the mirros |