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How does aging affect the orbicularis oculi? A look into function, structure, and appearance

According to a 2024 study in the *Journal of Clinical Medicine*, older adults exhibit significantly weaker orbicularis oculi muscle strength compared to younger groups. This decline in muscle function with age profoundly impacts the periorbital area, affecting eyelid closure, tear dynamics, and overall facial aesthetics. Understanding how aging affects the orbicularis oculi can explain many of the visible and functional changes around the eyes.