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Impact case study database

The impact case study database allows you to browse and search for impact case studies submitted to the REF 2021. Use the search and filters below to find the impact case studies you are looking for.
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Colour vision testing in safety critical occupations; improving safety and equity

1. Summary of the impact

2. Underpinning research

3. References to the research

4. Details of the impact

5. Sources to corroborate the impact

Additional contextual information

Grant funding

Grant number Value of grant
Minimum Colour Vision Requirements for Air Traffic Controllers £43,400
Assessing the severity of colour vision loss in occupational environments £107,979
Development and validation of a colour vision screener test for use in visually-demanding occupations and primary healthcare £87,497