I thought it probably was
but I've never seen him without his Bono glasses on
(
Joe Scaramanga with a G-double-O-D vibration,
Fri 15 Feb 2013, 14:41,
archived)
Strangely difficult to find the right source image including those glasses.
(
Christian's Bolt and Ski,
Fri 15 Feb 2013, 14:57,
archived)