Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Adult-onset vitelliform macular dystrophy ?
    ### Response:
    What are the signs and symptoms of Adult-onset vitelliform macular dystrophy? Signs and symptoms of adult-onset vitelliform macular dystrophy typically begin during mid-adulthood, in the fourth or fifth decade of life. At the time of diagnosis, individuals may have minimal visual symptoms (such as mild blurring) or mild metamorphopsia (distorted vision).
    