Does anyone out there currently use trade testing for colour vision testing and if so how do you undertake this. I am currently working on looking on our process for this and how we can ensure a consistent reproducible test with a written procedure. I have read much of the literature and feel that trade testing has its place for some cases who appear ‘borderline’ on formal testing (Ishihara or City testing). I understand that using wires in the colours that are used in the industry is acceptable but have read something somewhere which stated that just identifying the colours of the wires is not considered adequate – has anyone had experience with this or formed an opinion on how to ensure this is a reliable test.
Thanks for your help
Jane
Jane Mann RGN; BSc (Hons)
Occupational Health Advisor, EDF Energy
Bury St Edmunds
COPE Occupational Health and Ergonomic Services Ltd
T: 01284 726653
F: 01284 726660
Mob: 07875 116305
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