Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Macular Degeneration ?
    ### Response:
    Macular degeneration, or age-related macular degeneration (AMD), is a leading cause of vision loss in Americans 60 and older. It is a disease that destroys your sharp, central vision. You need central vision to see objects clearly and to do tasks such as reading and driving.
    