A Simulated Esterman Field Test for HGV and Bus drivers.
EVFT enables the user to test and see if they have a good visual
field of 120 degrees wide, and 20 degress above and below the horizon.
A requirement for drivers in many countries.
WHAT YOU WILL NEED
A monitor or TV with a minmum of 40 inches.
Laptop connected to the internet. With HDMI output.
HDMI cable to connect your laptop to the monitor.
INSTRUCTIONS
You must be careful to make sure you comply with ALL of these instructions.
Your monitor/TV must be a minimum of 40 inches (normally measured diagonally)
Minimum monitor/TV width 34 inches (86cms) (measured horizontally)
If this screen is not in Fullscreen mode, (ie no title or address bar at the top),
you should set your monitor display to Full Screen mode. Usually by keying F11
or on IE or Edge, Hold Windows key + Shift and key Enter.
First sit at a distance of half the screen width. And at the centre of the screen.
(centre both horizontally and vertically).
See the following image.
EVFT tests the left and right field separately.
Next, face to the right hand edge and look at the red target stimulus at ALL times
during the test.
As in the diagram below. The left field is tested first.