1. Unit 4: Vision and Space Management
NV Driver Education Curriculum
Unit 4: Vision and Space Management
Presentation 1 of 4
TOPICS:
Field of Vision (central, peripheral, fringe)
Depth Perception, Speed Smear & Night Vision
Orderly Visual Search

2. Awareness Test Click on web address to access video clips
(1:09)
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Image from:
Retrieved: 08/03/10
YouTube image from:
Retrieved: 01/21/10
Retrieved: 07/31/10
Click on web address to access video clips
*Suggest full screen viewing
NOTE: Video on Check access

3. The Importance of Vision
90% of driving decisions are based on information received from our eyes. Drivers must see far enough ahead to make good decisions and close enough to read the speedometer.
Center St image from:
Speedometer image from:
Retrieved: 08/03/10

4. Visual acuity is the ability to see things clearly.
You must be able to clearly and quickly identify closing zones in your intended path of travel.
Your brain directs the eyes to focus on objects in and around your path of travel.
Night image from:
Reno image from:
Retrieved: 08/03/10

5. Drive Right chapter 6
Wednesday, November 28, 2018
I.P.D.E.
Visual information sent to the brain is combined with stored information.
As a result, you can:
Identify hazards
Predict conflicts
Decide to maintain or adjust your speed and position
Execute your decisions
Image from:
Retrieved: 08/04/10
Version 2

6. Safe Driving Habits Video
California DMV
Sharing the Road Video
Safe Driving Habits
(1:46)
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“Sharing the Road” image from:
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7. Field of Vision
Field of vision is the entire area that you can see while looking straight ahead.
Central Vision targeting
Fringe Vision depth and position
Peripheral Vision color and motion

8. 3 Visual Fields Central Vision Central Vision
Peripheral Vision
Fringe Vision
Central Vision
Central Vision
Visual Acuity, Targeting, Signs, Signals
Fringe
Referencing,
Path of Travel
Peripheral Vision
Motion and Color Changes

9. Straight-ahead vision
Central Vision
Straight-ahead vision
Used for:
Targeting skills
Establishing visual lead
Reading signs and interpreting signals
Image from:
Retrieved: 08/03/10

10. Approximately 90 to each side
Peripheral Vision
Approximately 90 to each side
Used to see:
Moving objects
Color changes
Motorcycle image from:
Retrieved: 08/03/10

11. Part of your peripheral vision closest to central vision
Fringe Vision
Part of your peripheral vision closest to central vision
Used for:
Judging depth and position
Seeing reference points
Keeping on the travel path and within lane position
Image from:
Retrieved: 08/03/10

12. Fringe vision allows drivers to see the roadway without looking down.
Upper Fringe Vision
Targeting
Car image from:
Dash image from:
Retrieved: 08/03/10
Lower Fringe Vision

13. It takes both eyes to judge distance between two objects.
Depth Perception
Depth perception is the ability to judge distance between yourself and other objects.
It takes both eyes to judge distance between two objects.
Used when:
approaching a vehicle or obstruction
turning or merging
passing
Image from:
Retrieved: 08/3/10

14. Poor Depth Perception Compensate for poor depth perception by:
Using a larger following distance
Allowing for additional clearance distance before passing
Keeping a greater distance at night than during day
Image from:
Retrieved: 08/03/10

15. Drivers have less time to see and make decisions.
Speed and Vision
At higher speeds, your field of vision is narrowed.
Drivers have less time to see and make decisions.
“tunnel” image from:
Truck image from:
Retrieved: 08/03/10

16. Speed Smear As speed increases: central vision decreases and blurs
peripheral vision blurs and distorts
drivers have less time to see and make decisions
Convertible image from:
Motorcycle image from:
Night image from:
Retrieved 08/03/10

17. At night, it is difficult to read signs and roadway markings.
Night Vision
At night, it is difficult to read signs and roadway markings.
Corner building image from: Drive Right Textbook
Night image from:
Retrieved 08/03/10

18. Night Driving Video Clip
Night Driving Tactics: Slow Down & Stay Alert
(5:28)
Always preview video before showing to students
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Images from:
Retrieved: 08/20/10
Click on web address to access video clips
*Suggest full screen viewing
NOTE: May have advertisement when viewing.

19. Searching
Searching means moving your eyes in a constant pattern, from near to far and side to side. Constantly search the total traffic scene. Look for:
Vehicles merging into and out of traffic
Traffic signs and signals requiring action
Image from:
Retrieved: 08/03/10
People and cyclists moving on the roadway

20. Orderly Visual Search Look at the road near you
Look ahead in the distance
Alternate glances:
To the right,
To the left,
At rearview mirror,
At driver sideview mirror,
At passenger sideview mirror,
At instrument panel,
then ahead again
then ahead again
then ahead again
Street image from:
Side mirror image from:
Retrieved: 08/03/10
Instrument panel image from:
then ahead again
then ahead again
then ahead again

21. Scanning the Road Video
See Rules of the Road video
#7-Scanning
(1:44)
Always preview video before showing to students
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“Rules of the Road” image from:
Retrieved: 01/21/10
CA DMV image from:
Retrieved: 07/31/10
Click on web address to access video clips
*Suggest full screen viewing

22. Vision Tips Clean windows – inside and out Adjust mirrors properly
Remove objects interfering with vision
Keep defroster and wiper blades in good working order
Dirty windshield image from:
Beanies image from:
Rain image from:
Retrieved: 08/03/10

23. Did You Know
Final Thoughts
It takes only one-tenth of a second for a collision to occur. That’s half the time it takes just to blink your eyes.
Accident image from:
Distracted image from:
Retrieved: 08/03/10

24. Test Your Knowledge
A school bus ahead of you in your lane is stopped with red lights flashing. You should:
Slow to 25mph and pass cautiously
Stop, then proceed when you think all of the children have exited the bus
Stop as long as the red lights are flashing
Go around the bus and proceed
Answer: C

25. Test Your Knowledge This sign means: Gas station ahead
Oil refinery ahead
Oil spill, slippery conditions ahead
New road surface treatment ahead
Answer: D

26. Test Your Knowledge
You just moved. You must notify DMV within ___ days. 5 10 30 60
Answer: C