module 3.2 quiz Flashcards
visual perception
the eyeball’s ability to distinguish the number, shape, and color of an object, and perception
drivers make make decisions based on about blank on what they see
90%
drivers make decisions based on blank of what they hear or feel
10%
drivers should search at least blank seconds ahead of their path of travel to evaluate the situation and make good decisions about speed, lane position, signs, signals, markings, and potential hazards
20
you need to know where to blank
look
focal vision
allows you to read/see details
paracentral vision
allows you to maintain path of travel
peripheral vision
allows you to see motion and color
visually acuity
tests measure the level of detail your eyes can see (individually and together) in optimal light conditions
nearsighted
able to see near things more clearly than distant ones
farsighted
able to see distant things more clearly the near ones
hazards of driving at night
lack of light drastically reduces field of vision, visual acuity, depth perception, and color recognition
nocturnal and crepuscular wildlife become active
people driving at night are more likely to be intoxicated
inner and outer sources of concentrated light cause glare
people driving at night are more likely to be fatigued
strategies for driving at night
darkness
drive slower to allow more time to react
use focal and paracentral vision
strategies for driving at night
glare
oncoming headlights: avert your gaze to line painted on right side of road
internal light: keep it dark in the vehicle when it’s dark outside
sunbeams: keep windows, headlights, and signal lights clean inside and out
strategies for driving at night
animals
use your high-beams on rural roads
pay attention to animal crossing signs