DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Drooping lower eyelid. Close-up of the face of a 96-year-old female patient with a drooping lower eyelid (ectropion). The drooping associated with ectropion is caused by the eyelid turning outwards, typically due to a loss of muscle tone in the periorbital muscles. An additional effect is that tears do not drain correctly, and the eye constantly runs with tears.
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