Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Chronic progressive external ophthalmoplegia ?
    ### Response:
    What are the signs and symptoms of Chronic progressive external ophthalmoplegia? The signs and symptoms of chronic progressive external ophthalmoplegia (CPEO) typically begin in young adults between the ages of 18 and 40. The most common symptoms in affected individuals include drooping eyelids (ptosis) and weakness or paralysis of the eye muscles (ophthalmoplegia).
    