Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Brown syndrome ?
    ### Response:
    Brown syndrome is an eye disorder characterized by abnormalities in the eye's ability to move. Specifically, the ability to look up and in is affected by a problem in the superior oblique muscle/tendon. The condition may be present at birth (congenital) or it may develop following surgery or as a result of inflammation or a problem with development.
    