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 ...

The US Food and Drug Administration (FDA) has approved Mydcombi (Eyenovia) for the dilation of pupils during diagnostic procedures. The ophthalmic spray, made of 1% tropicamide and 2.5% phenylephrine ...

Subtle pupil dilation and changes in expression have been found to be a new way for medical professionals to detect tinnitus. For the first time, it provides a reliable test to help determine the ...

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 ...

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 ...

The eyes are often referred to as the “windows to the soul.” In fact, there is a grain of neurobiological truth to this. An international research team from the Universities of Göttingen and Tübingen, ...

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 ...

Credit: Shutterstock. Ryzumvi is a preservation-free eye drop formulation of phentolamine mesylate, an alpha adrenergic blocker. The Food and Drug Administration (FDA) has approved Ryzumvi™ ...