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 ...

NEW YORK (Reuters Health) - Tests of pupil function, as an indicator of how well the automatic nervous system is working, may help predict how likely young diabetics are to develop "microvascular ...

Neurological conditions can be devastating. Conditions like Alzheimer’s (which is becoming increasingly common as the general population starts to get older) can significantly affect cognition, memory ...