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.
Ireland is a country in Northern Europe, part of the British Isles. It has 6M residents. Ireland is the home to YouTuber Jacksepticeye. Jack lives in Athlone, Westmeath/Rosscommon. Ireland's capital is Dublin, which contains over 1M people. It's northern neighbor is Northern Ireland, which is part of the United Kingdom.