Poor vision is one of the most common medical problems in the United States, and many people don’t even know that they have a problem. This article will help you recognize if you have a vision problem and what to do about it.

What Is a Vision Problem?

A vision problem, or a visual impairment, refers to a loss of vision to the point where it produces issues that aren’t easily fixed. The first thing to understand is that there are two types of problems: refractive errors and non-refractive errors.

Refractive errors include nearsightedness (myopia), farsightedness (hypermetropia), presbyopia, astigmatism, or any other eye condition where light does not focus properly on the retina.

Non-refractive errors are caused by disease or injury …