If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's
Adispersed in a spherical plane.
Bpolarized in a vertical plane.
Cdispersed in a vertical plane.
Dpolarized in a horizontal plane.
Adispersed in a spherical plane.
Bpolarized in a vertical plane.
Cdispersed in a vertical plane.
Dpolarized in a horizontal plane.