Metabolism is the process by which your body converts what you eat and drink into energy. During this complex biochemical process, calories in food and beverages are combined with oxygen to release the energy your body needs to function.
Closed-angle glaucoma is more common in women. Glaucoma has been called the silent thief of sight because the loss of vision usually occurs slowly over a long period of time. Worldwide, glaucoma is the second-leading cause of blindness after cataracts.
About 10 percent of those with glaucoma have whatâs called angle-closure (acute) glaucoma, and in these cases a sudden rise in eye pressure can cause: 1  Severe eye pain. 2  Blurred vision. 3  Sudden visual disturbances.  Halos around 1  lights. Reddening of the 2  eye. Nausea and vomiting.