These lightweight glasses from Coil will make your TV screen and everything on it appear twice as large, with their 2x magnification lenses.
They are not designed for close up use, so you must sit at least 3 feet away from the TV set in order to get best results. 
You alter the focus with the large wheel on the temple on each side of the glasses.
 
Specs:
Magnification: 2x
Clear Lens
Distance Viewing
Accessories: Sturdy, protective case included