Their principal suffered a stroke. Now pupils at West View Elementary School are learning how to recognize stroke symptoms to ensure someone who is stricken can quickly get help. Beth Blevins, who ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also connected to how we breathe. Scientists have long studied the size of our pupils ...