The league has been criticized for its cavalier attitude toward traumatic head injuries and it's thought that more than 25 percent of players will suffer brain problems.
The Argus II system was successfully implanted in a senior suffering from age-related macular degeneration, which affects 20 to 25 million people globally.
Never mind those dreams of using a handheld device to steer your car from the back seat, James Bond-style -- the real purpose of remote control may be to get your vehicle past a muddy trench.