Quote: john7420 "We were late getting to ground match was well underway I looked at ref and I thought he had a huge pair of glasses on. Which in quite a few cases they may be needed, but it was a lot larger than normal whatever it was'"
Apart from the obvious requirement for refs to have glasses, the one I heard mentioned last night was it had a tiny camera on them. At ref debriefs (and I suppose maybe even at disciplinaries) it means they can actually see what the ref could see.