Driving At night should be comfortable, but for some people, bright headlights, streetlights, or traffic signals appear surrounded by glowing rings or circles. If you've ever questioned why lights look like they have halos at night, rest assured that many people experience this. Although glowing rings around light sources can https://www.diigo.com/item/note/b1gr9/904v?k=189a4a670bd157d65665e9f8e74ef95e