Headlight glare is becoming a road safety and eye health issue

Headlight glare is becoming a road safety and eye health issue

Headlight glare has moved from a familiar patient complaint to a wider road safety concern. For practitioners, the issue is not simply whether modern headlights are brighter, but how glare affects confidence, mobility and the way patients talk about night driving.

The College of Optometrists has warned about headlight glare for many years, and recent RAC research supported by the College found that 94% of drivers report being dazzled by oncoming headlights. Almost a third say this happens regularly, while one in four drivers who find headlights too bright are driving less at night or have stopped doing so altogether.

Why this matters to practice is straightforward: glare can change behaviour long before it appears in official collision figures. Older drivers are particularly affected, with 43% of those aged 75 and over who find headlights too bright reducing or giving up night driving. That represents more than inconvenience; it can mean less independence, fewer social journeys and greater anxiety about essential travel.

The UK government’s own research, published last November, also confirmed a link between newer, brighter headlights and the glare drivers experience. It suggested that current lighting regulations are no longer keeping pace with vehicle design, lighting technology and the growing number of taller vehicles on UK roads. The issue has gained sharper public attention since the inquest into broadcaster Dame Jenni Murray’s death heard that she had been driving when she became dazzled by vehicle lights before colliding with two stationary vehicles.

For eye care teams, the practical message is to treat night-driving glare as a useful clinical prompt. Patients may mention dazzling headlights casually, but the conversation can open up checks on prescription accuracy, ocular surface issues, cataract symptoms, spectacle lens condition and whether the patient is avoiding driving after dark.

The College wants government action in three areas: a clear timetable for further research promised in the Road Safety Strategy; straightforward advice for drivers on managing glare; and better recording of dazzle in collision data, so the scale of the problem can be properly understood.

That last point matters because the move from older contributory factors to newer road safety factors has removed headlight dazzle as a distinct, easily countable category in national police collision data, even though glare can still be recorded within a broader distraction category.

Daniel Hardiman-McCartney MBE, clinical adviser at The College of Optometrists, said drivers should wear the glasses prescribed for driving, keep spectacles and windscreens clean, and avoid yellow-tinted night-driving glasses because they reduce the amount of light reaching the eye. He also urged anyone newly troubled by glare to book a sight test rather than waiting for their next routine appointment.

Practical takeaway: Ask directly about night-driving glare, especially with older drivers or anyone reducing journeys after dark. A clean windscreen, up-to-date prescription, appropriate lens advice and timely sight test can all make a practical difference while the wider policy debate continues.