A final solution to headlight glare?

Light source type and pattern are two separate things.
HID, LED, and halogen can all have the sharp cutoff pattern that’s popular with modern cars.
The sharp cutoff works well if the lights are properly aimed, and on flat ground.
Vehicles coming over hills can present abrupt changes in brightness to oncoming cars.

My Tucson came with halogen, with the sharp cutoff.
I replaced with LED that retain the same pattern.

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