Below is an instruction from Human. Write a response.
    ### Instruction:
    Is Chronic progressive external ophthalmoplegia inherited ?
    ### Response:
    Is chronic progressive external ophthalmoplegia inherited? Chronic progressive external ophthalmoplegia (CPEO) can be inherited, or it can occur sporadically (due to a new mutation in an individual with no history of the condition in the family). CPEO is considered a "mitochondrial disorder.
    