Rank: Super forum user 
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I have a client (policyholder) with a large factory on 2 sides of an estate road. The site rule is hi-viz at all times when crossing the road. Around 95% comply with this but I am trying to find something to help educate the transgressors. I am aware of a phenomenen that when the eye sees lots of bright objects (car headlights / hi-viz jackets) it finds it much harder to see darker objects (unlit cars / normal clothing). In other words, the transgressors gets lost in the sea of hi-viz and may increase their chances of being hit. Does anyone know what this is called and better still, do you have an example photo? I've tried an image search but my Google mojo is failing me this afternoon. Thanks.
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Rank: Super forum user 
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I've had a good old delve into my science vault and all I can come up with is 'visual crowding' - although from memory 'visual attention' would also have a part to play given differences in brightness of objects. (It all really centres around luminescence and how the eye reacts). No images though I'm afraid! Edited by user 27 October 2017 16:05:11(UTC)
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 1 user thanked JayPownall for this useful post.
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Rank: New forum user
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I've not seen anything specific to vis vests but the Basketbass BEar visual awareness video could be used to the same effect i.e. when youre focussing on one thing in paticular, you often miss others.
https://www.youtube.com/watch?v=Ahg6qcgoay4
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2 users thanked jack.kirton for this useful post.
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Rank: Super forum user
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Many thanks for your replies Jay and Jack. Loved the video and did not see the bear.
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