Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Bietti crystalline corneoretinal dystrophy ?
    ### Response:
    What are the signs and symptoms of Bietti crystalline corneoretinal dystrophy? The Human Phenotype Ontology provides the following list of signs and symptoms for Bietti crystalline corneoretinal dystrophy. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    