FACTOID #53: If you thought Antarctica was inhospitable, think again - its land area is only ninety-eight percent ice. Reassuringly, the other 2% is categorised as "barren rock".
Ptosis is the paralysis of the muscles of the eyelid. It is commonly called droopy eyelids. The paralysis can be caused in various ways, including congenitally. The paralysis can be partially corrected with a surgical procedure called a frontalis lift, where the eyelids are connected by fascia ties to the frontalis muscles (the muscles in the forehead). Paralysis is the complete loss of muscle function for one or more muscle groups. ... A top-down view of skeletal muscle Muscle is a contractile form of tissue. ... An eyelid is a thin membrane of skin with the purpose of covering and protecting an eye. ... Surgical procedures have long and possibly daunting names. ... Fascia is a specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ... The forehead or brow is the bony vertical part of the head above the eyes. ...
Ptosis may be present at birth, or it may develop later in life.
In most cases of congenital ptosis, the problem is isolated and does not affect the vision.
Surgery for ptosis in patients with a history of dry eyes, seventh cranial nerve palsy, or significant extraocular muscle abnormalities, such as severe Graves ophthalmopathy, double elevator palsy, or progressive external ophthalmoplegia, should be approached with great caution to avoid exposure keratopathy following the surgery.
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