If Somebody Has 20/100 Vision, This Means

If somebody has 20/100 vision, this means

A) they see at 20 feet what a person with normal vision sees at 100 feet.
B) they see at 100 feet what a person with normal vision sees at 20 feet.
C) they see only 20/100 (or 1/5^th) as well as a person with normal vision.
D) only 20 out of 100 people have vision as poor as theirs.
E) only 20 out of 100 people have vision better than theirs.