In the countries where there are no road medians of sufficient height to protect opposite direction vehicle headlight, drivers find lot of glaring.

Using one type of polarization (horizontal/vertical) film for vehicle head lights and drivers wearing opposite polarization glasses will help.


1) amount of polarized light will be lesser than the total light that head light produced. so lower electricity->Light efficiency

2) amount light the driver see is relatively low, hence lower the visibility

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