Occupations with colour vision standards
| Main reason for requirements | |
|---|---|
| Safety | Quality of product |
| Armed Forces | Colour matching, e.g. in textiles, paper, painting, and dyeing |
| Railways | Carpet warpers, weavers, and inspectors |
| Merchant shipping | Horticulture |
| Navigation | Chemical analysis using colour |
| Civil aviation | Colour television and testing/maintenance |
| Police and fire service | Fine art and colour photography |
| Electrical contracting | |
| Some other types of electrical engineering | |
| Hospital technicians and pharmacists | |