Colour Vision Deficiency: Medical Examinations
Commons · Question 118038 · Tabled 4 Mar 2026 · Department for Transport · Official record
Answered 13 Mar 2026
Question
Asked by Joe Robertson
To ask the Secretary of State for Transport, if she will review the evidential basis for the Colour Assessment Diagnosis test.
Answer
Answered by Keir Mather, 13 Mar 2026
The UK Civil Aviation Authority (CAA) keeps the evidential basis for colour vision testing under regular review. The Colour Assessment and Diagnosis (CAD) test, developed with City University London, is currently the only advanced colour vision test accep...