In the new movie, the glasses become time frames: Oldman has one pair, horn-rimmed, to show that we are in flashback, with Smiley still working for Control, and another, larger pair to make it clear that we have skipped ahead.

NEWYORKER: I Spy

Call them glasses, specs, grannies, frames or peepers--your local four-eyes can't live without them.

FORBES: No. 9 Eyeglasses

The AOA recommends washing glasses every morning, paying special attention to the frames and earpieces, where hair product and makeup tend to rub off.

WSJ: How to Clean Your Glasses Properly

At our first truck stop, I stole a pair of driving glasses that had yellow-tinted lenses and large black plastic frames.

NEWYORKER: Reverting to a Wild State

What you see above is an LCD panel that refreshes at 240Hz, and delivering 3D at 60 frames per second to each eye, by using the typical active shutter glasses technique of blocking light to your left eye when the "right" image is displayed, and vice versa for the right eye.

ENGADGET: Sony's 24-inch PlayStation 3D 'dual-view' monitor: here's how it works