One in ten - 1.3million - drive in wide-armed glasses that severely restrict their peripheral vision. A further 7 per cent wear lenses that are so dark they are illegal for driving.

• 十分之一、共130万名受访者戴宽边太阳镜驾驶，这种眼镜会严重影响她们的周围视觉。7%25的人驾驶时戴的太阳镜镜片颜色太深，属于违规驾驶。