Introduction What are LED headlights and how do they work? What are halogen headlights and how do they work? What are xenon headlights and how do they work? Xenon headlights, much like halogen ...

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An optometrist has said 80% of her patients complain about being dazzled by vehicle headlights. Aashika Patel, who works at an opticians in Chelmsford, said it was a problem that seems to have got ...