In conjunction with Make Poverty History, something you can do without having to listen to Coldplay:
World AIDS Day is on 1st Dec. Now's the time to take simple but effective action to fight the campaign for AIDS treatment for all by 2010.
WHAT CAN YOU DO? Take a close-up photo of your eyes with your phone or a digital camera. Save it as a .jpeg file, then put it on our online gallery with your name, location and message.
WHAT HAPPENS THEN? Your pics will be shown in a touring gallery - on a London bus! MPs, the European Commission, drugs companies and ambassadors will be invited aboard to see all the people watching them.
Link: Eyesight
I think maybe you need to restart, or switch off your connection and reconnect. The later most likely, that's what fixes it when it happens to me.
Max