For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A ...

ETH Zurich researchers found that pupil size changes during sleep, indicating shifts in brain activity. This could help ...

Scientists have long studied the size of our pupils to understand attention, emotion and even medical conditions. But now, ...

The difference in pupil size between inhalation and exhalation was large enough to theoretically affect vision. The study also showed that the function is intact in people born without the ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

Scientists have discovered that our pupils continue to change size while we sleep, revealing unexpected fluctuations in brain ...

The pupil responds to light, which is essential for our vision and how we see our surroundings. Three known mechanisms change ...

IN the past many investigations have been carried out on the static and dynamic reactions of the human pupil to illumination of the eye using white light. In this respect it seems surprising that ...

The difference in pupil size between inhalation and exhalation was large enough to theoretically affect vision. The study also showed that the function is intact in people born without the ...

Structure Coloured part of the eye that contains muscles. These relax or contract to adjust the size of the pupil. Function Controls how much light enters the pupil. Structure Transparent ...