A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

Our eyes are typically closed when ... "We are simply observing pupil changes that are related to the level of brain activation and heart activity," Lustenberger explains. In a follow-up study ...

Bringing AI to the eye Measuring how the pupil reacts is the first step ... pathology takes days to complete. Heart monitoring can provide a continuous, real-time measure of internal state ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

MIT engineers have made a breakthrough in this area—they’ve developed a method to grow muscle tissue that contracts in ...