这是她自己的解释。

She … committed to wearing her glasses even while she was training or competing in meets. “I tried contacts,” she explained, “but they made my eyeballs dry, and when I got stuff in my eyes, I had to take them out and put them back in.” Rather than waste a couple minutes of practice time fiddling with contacts, Morgan chose to attach her glasses to the back of her head with a neoprene strap and move on.