Age-related macular degeneration (AMD) AMD is a common eye condition that happens as you get older. It affects the macula, ...

Learn about when to start wearing reading glasses depending on age and vision changes, and explore the top five brands to ...

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

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 ...

Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an aplanatic design, with the cornea and lens compensating each other's ...

Clear vision is what allows us to experience the world in vivid detail and navigate our daily lives with ease. But there are hundreds of eye diseases, from common conditions such as cataracts ...

Researchers were able observe eye movements during sleep over a course of several hours for the first time. Pupil size also fluctuates constantly during sleep, and is linked to the level of brain ...