Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Cockayne syndrome type II ?
    ### Response:
    Cockayne syndrome is a rare condition which causes short stature, premature aging (progeria), severe photosensitivity, and moderate to severe learning delay. This syndrome also includes failure to thrive in the newborn, microcephaly, and impaired nervous system development.
    