People with glaucoma can lose nerve tissue, resulting in vision loss. The optic nerve is a bundle of about 1 million individual nerve fibers that transmits the visual signals from the eye to the brain. In the most common form of glaucoma, primary open-angle glaucoma, the fluid pressure inside the eye increases. This increase in pressure may cause progressive damage to the optic nerve and loss of nerve fibers. Vision loss may result. Advanced glaucoma may even cause blindness.
The Yellowstone caldera is located over a âhotspotâ, where volcanism â and in the case of Yellowstone, hydrothermal activity â is occurring far away from the plate boundaries where such things are normally found.he Yellowstone caldera is located over a âhotspotâ, where volcanism â and in the case of Yellowstone, hydrothermal activity â is occurring far away from the plate boundaries where such things are normally found.
Since 1997. Mt Haynes and the Madison River. Yellowstone National Park is located in the northwest corner of Wyoming, and includes small areas of Montana and Idaho as well. In addition to its superb Rocky Mountain scenery, the park is one of the worldâs principal wildlife preserves.Itâs also the site of Americaâs greatest concentration of geysers and hot springs, which form a visible and spectacular link with the primeval forces of the Earthâs creation.n addition to its superb Rocky Mountain scenery, the park is one of the worldâs principal wildlife preserves. Itâs also the site of Americaâs greatest concentration of geysers and hot springs, which form a visible and spectacular link with the primeval forces of the Earthâs creation.