pre-, prae-

1. Required beforehand, especially as a necessary condition for something that follows.
2. An object, quality, or condition that is required in order for something else to happen.

1. A right reserved exclusively by a particular person or group occupying a particular rank or position; especially, a hereditary or official right.
2. A privilege or right that allows a particular person or group to give orders or make decisions or judgments.
3. The right conferred by a natural advantage that places someone in a position of superiority the prerogatives conferred by age.
4. The power or right of a monarch or government to do something or be exempt from something.
5. Etymology: from Old French prerogative, Medieval Latin (about 700-1500) prerogativa, "special right"; from Latin prærogativa, "prerogative, previous choice or election"; originally (with tribus, centuria), "unit of 100 voters who by lot voted first in the Roman comita"; feminine of prærogativus, "chosen to vote first"; from prærogere, "to ask before others"; from præ-, "before" + rogare, "to ask".

Characteristic of old age sleeplessness.

1. Dullness of hearing characteristic of old age.
2. Loss of the ability to perceive or to discriminate sounds which is associated with aging; the pattern and age of onset vary.
3. A progressive, bilaterally symmetric perceptive hearing loss occurring with age.
4. The most common type of hearing loss in the elderly, consisting of slowly progressive, bilaterally symmetrical, sensorineural hearing loss. It often involves poor speech discrimination.

Sleeplessness that is characteristic of old age.

Rarely used terms for geriatrics; medical treatment of the aged.

1. Impaired cardiac function attributed to the aging process, occurring in association with recognizable changes of senescence in the body and in the absence of convincing evidence of other forms of heart disease.
2. Involutional aging changes of the myocardium, with associated pigmentation of the heart.

It decreases cardiac reserve but rarely produces heart failure itself.

1. The skin changes of middle and old age.
2. Cutaneous (skin) changes associated with the middle and later years of life.

1. A condition characterized by alteration in motor function of the esophagus as a result of degenerative changes occurring with advancing age.
2. A disorder in the elderly characterized by altered motility of the esophagus.

Impairment of memory that is characteristic of old age.

Silliness sometimes accompanying old age.

1. Impairment of mental faculties that are characteristic of old age.
2. Its principal characteristics are marked confusional disorientation, confabulation, mistakes in identity, and agitation without the accomplishment of any objective.

Presbyophrenic confabulations typically show a poverty, monotony, puerility, and naiveté of content. Because ethical conduct is preserved for a relatively long time, the patient is able to fit into limited social contacts, and particularly so since his/her affect tends toward the euphoric and the amiable.

1. A form of farsightedness occurring after middle age, caused by a diminished elasticity of the crystalline lens.
2. The physiological loss of accommodation in the eyes in advancing age, said to begin when the near point has receded beyond 22 cm (9 inches).
3. The loss of the eye's ability to change focus to see near objects.
4. Eyesight characteristic of older people.

The reasons for this loss of the power of accommodation are not yet fully known. It is conventionally said to be a result of the lenses of the eyes becoming less elastic with time.

Presbyopia is associated with aging; however, it happens with everyone. The first sign is often the necessity to hold reading material farther away in order to be able to focus on the contents.

The term presbyopia is said to come from the Greek for "elderly vision".

Impairment of the ability to properly stand which is associated with aging.