When people ask about colour vision
Patients may ask after confusing red and green, school concerns, workplace screening, licence or career requirements, or family history of colour vision deficiency.
Ashfield NSW local optometrist
Colour Vision Test Guide
Colour vision differences can affect school tasks, career choices, study, safety tasks and some workplace requirements. A colour vision test can clarify whether colour discrimination is reduced.
Colour vision test guide at iFocus Optometrists
Learn when colour vision testing may be useful for school, work, driving, study or colour-confusion concerns.
- Colour confusion questions
- School and career relevance
- Testing and explanation
- Referral or documentation where appropriate
Reviewed by: Dr Shirley Wang, B.Optom UNSW
Qualifications: Bachelor of Optometry, University of New South Wales
Languages: English, Mandarin Chinese, Cantonese Chinese
Last medically reviewed: June 2026
What testing can explain
Colour vision screening can indicate whether colour discrimination is typical or reduced, and whether further assessment or documentation may be useful.
Practical advice
If colour vision affects school, work or safety tasks, clear documentation and practical strategies can help.
Common questions
Can children be tested for colour vision?
Yes. Colour vision screening can be discussed during a children's eye check.
Can colour blindness be cured?
Inherited colour vision deficiency is usually lifelong, but testing and practical strategies can help people understand limitations.
Can iFocus discuss colour vision concerns?
Yes. You can raise colour vision questions during an eye test at iFocus Optometrists Ashfield.