How men's glasses have changed over the last century

The College of Optometrists estimates that 69 per cent of people in the UK wear spectacles or contact lenses to help their eye-sight.

But not only are glasses worn for their corrective qualities, so prevalent are they that they've increasingly become a fashion statement.

To track how the fashion for men's specs and sunglasses has changed through history, the team at BuzzFeedVideo has put together a video looking at different styles from the 1930s to the present day.

So while any discerning gent in the 1930s wouldn't be seen dead without a pair of glasses with a round tortoiseshell frame and saddle bridge:

Groovy guys in the 1970s were wearing these funky aviators:

And men in the 1980s have a lot to answer for:

Check out the video below and remember that whatever glasses you choose to wear today, your descendants will probably judge you:

More: Live through 100 years of male fashion trends in three minutes