Video: Bono finally reveals why always wears sunglasses...

We almost feel bad for slagging him off for the last 20 years now.

U2 were on Graham Norton last night, and Bono finally revealed the reason behind those omnipresent shades.

Turns out he's not QUITE as pretentious as we've thought for all these years, and there's a medical reason behind the sunglasses.

Check it out...

• Share article
• • Read more about:
  • TV,
  • U2,
  • Graham Norton,
  • Bono,
  • sunglasses.