1 Glaucoma is the leading cause of irreversible blindness in the world. 2  Glaucoma usually causes no symptoms early in its course, at which time it can only be diagnosed by regular eye examinations (screenings with the frequency of examination based on age and the presence of other risk factors).laucoma is a disease of the major nerve of vision, called the optic nerve. The optic nerve receives light-generated nerve impulses from the retina and transmits these to the brain, where we recognize those electrical signals as vision.
Ireland has a president as a head of state. The Irish President is currently Michael D. Higgins, who has been president since November 2011, and intends serving a 7 year term. â¦ Ireland has a president as head of state. Currently, on December 16th 2011, the president is Michael D. Higgins.
The President of Georgia (Georgian: á¡áá¥áá áááááá¡ áá ááááááá¢á, sakartvelos prezidenti) is the head of state, supreme commander-in-chief, and holder of the highest office within the Government of Georgia. Executive power is split between the President and the Prime Minister, who is the head of government. The office was first introduced by the Supreme Council of the Republic of Georgia on 14 April 1991, five days after Georgia's declaration of independence from the Soviet Union.[1] The President serves a five-year term. The incumbent is  Giorgi Margvelashvili, who was sworn in on 17 November 2013.