Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let light into your eyes, become wider. This can happen due to medications used during an eye exam (mydriatic drops), other ...

Our eyesight declines with age and poor lighting or strong contrasts between light and dark can limit the ability of older people to react in everyday life, resulting in a negative impact on the sleep ...

His gaze softens as he draws closer to you. With one hand around your waist and the other cradling your jaw, he pulls you in. You look into his eyes, and notice his pupils have grown large and hungry.

Pupil dilation may signal deception. The autonomic nervous system regulates pupil size. Pupil dilation normally indicates an increase in cognitive demand. Liars usually experience an increase in ...

At my job, I'm going to be working with a new laser soon, and as such, I have to pass some certifications to become a laser operator. One of the requirements is that I take an eye exam to determine if ...

In context: Headsets with heads-up displays have been billed as the next big thing in consumer tech for years, and more recently, even as smartphone replacements. But it's 2024, and they still haven't ...

Working memory is one of the brain’s executive functions, a skill that allows humans to process information without losing track of what they’re doing. In the short term, working memory allows the ...