Keeping your eye on the ball

Olympic table tennis players:

[Photo: Reuters/Staff]

Players are, top row (L to R), Denmark's Michael Maze, Brazil's Caroline Kumahara, Austria's Werner Schlager. Middle row (L to R) China's Zhang Jike, Iran's Neda Shahsavari, Germany's Kristin Silbereisen. Bottom row (L to R) Colombia's Paula Medina, South Korea's Oh Sangeun, India's Soumyajit Ghosh.