Yellow lenses filter blue-rich glare from modern LED headlights at night. If you have driven at night recently, you will have felt it. Modern LED headlights are brighter, whiter and sharper than the old halogen lights most of us grew up with. The glare can feel aggressive. Many drivers now report discomfort, temporary dazzle and a loss of confidence. Some are even avoiding night driving altogether. That is not dramatic. It is a real shift in the visual environment. LED headli

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