What Causes Foggy Headlights?

Foggy Headlights Indicate Dangerous Nights

An Experiment

An American news website conducted an experiment in which it needed two toddlers to walk in front of an automobile tested from a distance of roughly 175 feet (about 53.34 metres).

They found a significantly noticeable difference in the visibility between a vehicle with foggy headlights and a newer one with headlights that were clearer and brighter. This was discovered when the children were more visible when they walked in front of a newer vehicle with clearer and brighter headlights.

Do you have extremely foggy headlights?

What factors contribute to headlights becoming foggy?

1. Oxidation caused by exposure to UV light

The car’s lens will oxidise, develop micro-cracks, and change colour if it is subjected to the sun’s ultraviolet (UV) rays, which will pass through the polycarbonate headlights.

2. Damage from road debris.

Because it is porous, the polycarbonate lens absorbs heat from the outside light and the light from within. It does this by absorbing minute bits of dust and small particles through the tiny flaws on its surface. One factor contributing to its cloudiness.

3. Condensation of filth and other chemicals

During the winter, highway de-icer, magnesium chloride, and salt quickly build up on the headlight lens, causing a foggy film to form. Road grit and mud also quickly coat the lens of the headlight. This causes glare for drivers driving from the opposite direction, which reduces the driver’s visibility.

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