Failure of the levator muscle of the eyelid to develop causes ____________________

Fill in the blank(s) with correct word


ptosis
Rationale: Ptosis can be either congenital or acquired. In congenital ptosis there is failure of the levator muscle to develop. If the ptosis is acquired, it is related to one of three factors:
1) mechanical: heavy lids from lesions, adipose tissue, swelling, or edema; 2) myogenic: muscular diseases such as myasthenia gravis or multiple sclerosis; or 3) neurogenic: paralysis from damage or interruption of the neural pathways.

Nursing

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Nursing

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Nursing