A TEENAGER diagnosed with an aggressive brain tumour and given 12 to 18 months to live spotted the first sign of the deadly disease in her eye. Joscelyne Kerr, 19, was finishing school in 2023 ...

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

Usually, the pupils in each eye dilate or constrict simultaneously ... that come on suddenly can be a sign of dangerous health problems, including a brain aneurysm. Contact a doctor immediately ...

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

They also adjust how much light enters your pupil so ... and inflammatory diseases. Left untreated, inflammation can cause permanent damage and lead to blindness. If you have eye pain, redness ...

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

Dilating drops open your pupils so the doctor can check ... Female Narrator Because so many diseases can first be seen inside the eye, you have a greater opportunity for early diagnosis and ...

Whatever light is not absorbed on this return trip passes out of the eye the same way it came in—through the pupil. The presence of the tapetum can be observed at night when a pair of glowing ...

Like the aperture in a camera, the pupil controls how much light reaches the eye. It is therefore fundamental to our vision and how we perceive our surroundings. Three mechanisms that can change ...

Harriet Karungi, a P5 pupil at Shiperoy Nursery and Primary School, had been struggling with eye problems for over two years. Her studies were affected as she could not see clearly, but her family ...

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 ...

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