Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Epithelial basement membrane corneal dystrophy ?
    ### Response:
    What are the signs and symptoms of Epithelial basement membrane corneal dystrophy? A chronic problem seen in this condition is the epithelial erosions. They can alter the cornea's normal curvature, causing periodic blurred vision. These erosions may also expose the nerve endings that line the tissue, resulting in moderate to severe pain lasting as long as several days.
    