Why do I see long bright streaks of light when driving a car in heavy rain?
1. Introduction Seeing long bright streaks of light when driving in heavy rain is primarily caused by an optical imperfection in the eye known as astigmatism, compounded by the physical scattering of light through water droplets on the windshield. When the cornea is irregularly shaped rather than perfectly spherical, incoming light rays from headlights fail … Read more