One of the best known types of glaucoma, common glaucoma, has no symptoms in the early stages but once damage is done it cannot be repaired.

BBC: Photo of an eye examination

This thirty sixth trading week of 2011 comes to a close as investors are concerned now more than ever that the European Union could have cracks that cannot be repaired.

FORBES: Weekly Market Wrap

But all of us have to have the humility to accept that public confidence has been shaken and the battered reputation of this institution cannot be repaired without fundamental change.

BBC: In full: Constitution proposals