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 ...

Leukocoria means "white pupil." It describes a condition where the pupil of the eye is white rather than black. It is more common in children but can occur in adults as well. Many different conditions ...

The science of pupillometry takes a common intuition — that you can tell a lot about someone when you look them in the eye — and makes it concrete, measurable, and extraordinarily useful. By combining ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

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 ...

Sam is a Senior Writer for Collider. His love for movies, TV shows, and books stretches back to his early childhood and has grown exponentially with every passing year. Lucky for him, this love grew ...

New Hampshire’s schools are spending more per student than ever before, in part because of an increase of federal COVID-19-related funding. New figures released by the state’s Department of Education ...

Educators say the large dollar amounts, among the highest in the nation, reflect the region's high cost of living, inflation ...