Colour Vision

It is difficult to conduct accurate colour vision tests online because of the variations in computer monitor colour displays.  However, the following tests provide a rough colour vision screening.  While the impact of colour deficiency can be minimal, it will limit a persons choice of occupation. 

Move your mouse over the image to know the number that you should be abel to see in the circle.  If you cannot see the number, should visit your eye doctor.

Here is a list of some professions that require good to perfect colour vision:

Airline pilot
Air traffic controller
Firefighter
Police officer
Train driver
Some ranks in the armed forces
Some electrical/electronic engineers