New Articles: Eye Charts and Chalazion
Two recently added All About Vision articles explain an eyelid bump known as a chalazion and what 20/20 vision means on eye charts.
A chalazion looks very similar to a stye, but may not go away unless it is cut open and drained.
While 20/20 vision is a familiar term for good vision, many people don’t understand how eye charts are used to measure eyesight during routine eye exams.