Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Duane syndrome type 3 ?
    ### Response:
    Duane syndrome type 3 is a disorder of eye movement. The affected eye, or eyes, has limited ability to move both inward toward the nose and outward toward the ears. The eye opening narrows and the eyeball pulls in when looking inward toward the nose. About 15 percent of all cases of Duane syndrome are type 3.
    