such as the circular bands of sphincter muscle in the iris that work with the radial dilator muscles to change the size of the pupil. Complex combos of muscles like those in the iris are thought ...

"When we found that Fhl2 was upregulated in eye muscles, we used circular DNA with the Fhl2 gene, which is linked to a muscle-specific promoter, which was injected into zebrafish with muscular ...

An eye twitch is an eye muscle or eyelid spasm or movement that you can't control. Eye twitching can be common and is often not a cause for concern. However, there are some conditions that cause ...

Unequal pupils happen when one pupil is not reacting to light as it should. If the iris muscle is paralyzed, the pupil will be dilated. When the other pupil contracts in response to strong light ...

The team leveraged 3D printing and muscle cells derived from humans and mice to grow an artificial structure that pulls concentrically and radially, similar to how the human iris dilates and ...

Nevertheless, when you’re in the throes of the mini muscle spasms, it’s hard to think of much else besides, “Why is my eye twitching?” Here’s everything you need to know about what’s ...

This is despite the fact that several extraocular muscles are required for the eye to move and function properly. Researchers in Umeå have found a possible explanation for this phenomenon. A unique ...

A 2019 study, for example, compared the eye muscles and behaviors of wolves and domesticated dogs. It found that dogs had more highly developed muscles around their eyes and moved their eyebrows ...