7 Bad Habits That Harm Your Vision

Some eye conditions are hereditary, but many are a result of poor vision care and bad habits. You may be surprised to find that things you do each and every day might actually be damaging your eye sight.

What is 20/20 Vision?

20/20 vision a term used to describe normal visual acuity — the sharpness of a person’s vision — measured at a distance of 20 feet. If a person has 20/20 vision it means that they can see clearly at 20 feet what should normally be seen at a distance. If someone has 20/100 vision it means that they must be as close to 20 feet as possible to see what a person with normal vision could see at 100 feet.