Glaucoma for glaucoma include increased pressure in the eye, a family history of the condition, and high blood pressure. For eye pressures a value of greater than is often used with higher pressures leading to a greater risk. However, some may have high eye pressure for years and never develop damage. Conversely, optic nerve damage may occur with normal pressure, known as normal-tension glaucoma. The mechanism of open-angle glaucoma is believed to be slow exit of aqueous humor through the trabecular meshwork while in closed-angle glaucoma the iris blocks the trabecular meshwork. Diagnosis is by a dilated eye examination. Often the
The Body Silent The Body Silent The Body Silent is a personal narrative written by Robert Murphy, a professor at Columbia University. This piece is a narrative of personal struggle through a spinal condition, published in 1987 by Henry Holt and Company, Inc. He uses this narrative to tell his journey through a deteriorating spinal condition leading to paraplegia. He was diagnosed with a tumor extending from his second cervical vertebra to the eighth thoracic vertebra in 1972. Through his narrative he tells his medical history and how the diagnosis of old medicine (late 1920s) knew very little about neurology, and left undetected