Task: Question Answering
Input (English): Context: The hardest part of that was watching the blinking light in middle while red lines and dots moved around . Afterward , the doctor wanted to view the images with me . I had about 3 really big areas were I ' m leaking and had a few new blood vessels growing . He was surprised to see that my retina was swelling though ( ? ) . 
Question: Why am I at the doctors with a swollen retina ?
Output (English): I may have suffered an injury recently that caused swelling .