Vision standards
Enter your visual acuity.
Type the bottom number from your Snellen result and this tool will translate it into plain English, including common driving and registration thresholds.
Your measurement
What visual acuity were you given?
For example, if your optician wrote 6/12, type 12. If they wrote 6/6, type 6.
Your result
UK Driving
US Driving
Registration
Snellen decimal
logMAR
This is general educational information, not a clinical diagnosis or legal advice. Driving standards and registration decisions can depend on both eyes, visual fields, prescription, contrast, medical history and local rules. If your vision has changed suddenly, or you are unsure whether you meet the required standard, arrange a professional eye assessment.