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
Awareness Test Click on web address to access video clips http://www.youtube.com/watch?v=Ahg6qcgoay4 (1:09) Always preview video before showing to students Check content Check availability Image from: http://www.youtube.com/watch?v=Ahg6qcgoay4 Retrieved: 08/03/10 YouTube image from: http://www.youtube.com/ 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
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: http://www.aaroads.com/west/bl-080b_nv.html Speedometer image from: http://marketplace.publicradio.org/display/web/2009/08/17/am-mileage-tax/ Retrieved: 08/03/10
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: http://www.gabor-nagy.com/blog/?p=42 Reno image from: http://www.aaroads.com/west/reno-sparks.html Retrieved: 08/03/10
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: http://www.aaroads.com/west/us-395bc_nv.html Retrieved: 08/04/10 Version 2
Safe Driving Habits Video California DMV Sharing the Road Video Safe Driving Habits http://apps.dmv.ca.gov/video/lets_drive/sharing/safe_driving_habits/safe_driving.htm#topVideo (1:46) Always preview video before showing to students Check content Check availability “Sharing the Road” image from: http://apps.dmv.ca.gov/video/lets_drive/sharing/intro/intro.htm#topVideo Click on web address to access video clips *Suggest full screen viewing
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
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
Straight-ahead vision Central Vision Straight-ahead vision Used for: Targeting skills Establishing visual lead Reading signs and interpreting signals Image from: http://www.freefoto.com/browse/1216-03-0?ffid=1216-03-0 Retrieved: 08/03/10
Approximately 90 to each side Peripheral Vision Approximately 90 to each side Used to see: Moving objects Color changes Motorcycle image from: http://www.atlanta-personal-injury-lawyers-blog.com/2009/07/ Retrieved: 08/03/10
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: http://www.aaroads.com/west/nv-592.html Retrieved: 08/03/10
Fringe vision allows drivers to see the roadway without looking down. Upper Fringe Vision Targeting Car image from: http://www.gotbroken.com/2005-toyota-aygo-5-door-art-car Dash image from: http://www.wikihow.com/Drive-a-Car-Safely Retrieved: 08/03/10 Lower Fringe Vision
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: http://www.aaroads.com/west/us-050wa_nv.html Retrieved: 08/3/10
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: http://www.aaroads.com/west/misc_nv.html Retrieved: 08/03/10
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: http://www.themishmash.com/2008/02/religious-zealo.html Truck image from: http://www.alaska-in-pictures.com/speeding-truck-5173-pictures.htm Retrieved: 08/03/10
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: http://lifestyleaku.blogspot.com/2009_02_01_archive.html Motorcycle image from: http://www.northernleader.com.au/article/speeding_motorcyclists_caught Night image from: http://www.criminallawyerillinois.com/2010/02/20/i-got-pulled-over-going-40-mph-over-the-speed-limit-is-this-ticket-serious/ Retrieved 08/03/10
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: http://www.motherproof.com/news-rants/story/blinded-by-the-night/ Retrieved 08/03/10
Night Driving Video Clip Night Driving Tactics: Slow Down & Stay Alert http://videos.howstuffworks.com/auto/night-driving-videos-playlist.htm#video-25438 (5:28) Always preview video before showing to students Check content Check availability Images from: http://videos.howstuffworks.com/hsw/20548-night-driving-tactics-how-to-drive-safely-in-the-dark-video.htm Retrieved: 08/20/10 Click on web address to access video clips *Suggest full screen viewing NOTE: May have advertisement when viewing.
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: http://www.flickr.com/photos/85625337@N00/784151512/ Retrieved: 08/03/10 People and cyclists moving on the roadway
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: http://www.flickr.com/photos/remedy/2782925109/ Side mirror image from: http://www.atlanta-personal-injury-lawyers-blog.com/2009/07/ Retrieved: 08/03/10 Instrument panel image from: http://scoutmeritbadge.com/Lexus-SC300.html then ahead again then ahead again then ahead again
Scanning the Road Video See Rules of the Road video #7-Scanning http://apps.dmv.ca.gov/video/lets_drive/rules/scanning/scanning.htm#topVideo (1:44) Always preview video before showing to students Check content Check availability “Rules of the Road” image from: http://www.youtube.com/watch?v=E9H0yON1Xf0 Retrieved: 01/21/10 CA DMV image from: http://theraw420.blogspot.com/2009/10/san-fernando-court-defrauds-people-of.html Retrieved: 07/31/10 Click on web address to access video clips *Suggest full screen viewing
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: http://sleepallnightlong.com/wp-content/uploads/2010/07/looking-thru-dirty-windshield_iStock_000011856107Small.jpg Beanies image from: http://autos.aol.com/gallery/worst-car-trends/ Rain image from: http://funkydowntown.com/how-to-get-good-vision-while-driving-during-heavy-downpour/ Retrieved: 08/03/10
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: http://www.gallupindependent.com/2006/nov/111806.html Distracted image from: http://www.nofonzone.com/ Retrieved: 08/03/10
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
Test Your Knowledge This sign means: Gas station ahead Oil refinery ahead Oil spill, slippery conditions ahead New road surface treatment ahead Answer: D
Test Your Knowledge You just moved. You must notify DMV within ___ days. 5 10 30 60 Answer: C