Normal tension glaucoma about four times as high as the prevalence of the "classical glaucoma" with an IOP of 22 mm Hg and higher. The pillar of the current understanding of normal tension glaucoma is a reduced IOP tolerance of the retinal ganglion cells and the cells in the optic nerve head - an IOP of, for example, 17 or 19 mm Hg that would not affect a healthy eye leads to damage in the eye of an NTG patient. In many patients, normal tension glaucoma is common in individuals with a generalized reduced perfusion of organs and certain body tissues. A low
The Gifts of the Body the patients and the caregiver. The book contains ten short stories, the titles of each being associated with "gifts" which are various functions of the body, both physical and emotional: sweat, wholeness, tears, skin, hunger, mobility, death, speech, sight, hope, and mourning. The caregiver experiences each "gift", as he/she deals with patients who have AIDS, showing the different shared relationships in each case. Each patient is a distinct case, differing in terms of age, financial situation, attitude toward the illness etc., showing the reader that this disease affects all types of people. The book is written in the "no-frills style"