Orbicularis weakness is commonly associated with seventh nerve palsy or neuromuscular and myopathic conditions such as myotonic dystrophy and myasethenia gravis. We report four cases of idiopathic ...

The orbicularis oculi muscle is one of the two major components that form the core of the eyelid, the other being the tarsal plate. The orbicularis oculi muscle is composed of skeletal muscle fibers, ...

Researchers have investigated the biochemical and physiological characteristics of orbicularis oculi, a group of facial muscles that control the eyelids and are selectively spared or involved in ...

A blink of an eye seems natural and instantaneous, but is it? Without a functioning eyelid, the eye can become dry, irritated and eventually lose the ability to see clearly. Now, a team of UCLA ...

The face we present to the world is constantly changing as different combinations of its 42 muscles contract and contort it. Humans can produce thousands of distinct facial expressions – including 19 ...

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