People with astigmatism may see more glare around lights than those without the condition. This glare may be particularly noticeable at night and may make it difficult to see and drive at night.

One tell-tale symptom of astigmatism — a condition thought to affect a third of Britons — is seeing halos around car lamps and streetlights and having difficulty reading signs in the dark.

Astigmatism, derived from Greek meaning "without spot," refers to a common refractive condition that decreases acuity. Astigmatism has both a magnitude and a direction, or axis, unlike spherical ...