A refraction is a test done by your eye doctor to determine if glasses will make you see better and what your prescription is.
The charges for a refraction are covered by some insurances but not by all.
For example, Medicare does not cover...
Read more: What Is Refraction & Why Doesn't Health Insurance Cover It?
The tears that coat the surface of your eyes have both a liquid and a mucous layer to them. It is normal to have a small amount of mucus in your tear film. But that mucus can significantly increase when the eye gets irritated.
Some of the most...
