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 current Taoiseach is Enda Kenny, TD, who was appointed on 9 March 2011. The word means chief in the Irish language. The earliest known use of the term is from a 5th-or 6th-century ogham inscription in both the Gaelic and Brittonic languages.he Taoiseach nominates the remaining members of the Government, who are then, with the consent of the Dail, dÃ¡il appointed by The. President The taoiseach also has authority to advise The president to dismiss cabinet ministers from, office advice The president is required to follow by. convention