Glaucoma Glossary of Terms

The following are health and medical definitions of terms that appear in the Glaucoma article.

Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

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Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

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Acute angle-closure glaucoma: Increased pressure in the front chamber (anterior chamber) o...

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Anatomy: The study of human or animal form, by observation or examination of the living be...

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Angle-closure glaucoma: This condition can be acute or chronic. It consists of increased p...

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Aqueous humor: In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aq...

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Blind: 1. Unable to see. Without part or all of the sense of sight.
2....

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Blindness: Loss of useful sight. Blindness can be temporary or permanent. Damage to any p...

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Blurred vision: Lack of sharpness of vision with, as a result, the inability to see fine d...

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Breathing: The process of respiration, during which air is inhaled into the lungs through ...

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Chin: Medically, the mentum. The lower portion of the face below the lower lip including t...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Congenital: A condition that is present at birth, whether or not it is inherited.

Cornea: The clear front window of the eye, which transmits and focuses light into the eye....

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Depression: An illness that involves the body, mood, and thoughts and that affects the way...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Dilate: To stretch or enlarge. Also known as dilatate.

Dilation: The process of enlargement, stretching, or expansion. The word "dilatation" mean...

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Family history: The family structure and relationships within the family, including inform...

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Glaucoma: A common eye condition in which the fluid pressure inside the eye rises to a lev...

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Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

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Humor: In medicine, a fluid or semifluid substance. For example, the aqueous humor is the ...

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Hypertension: High blood pressure, defined as a repeatedly elevated blood pressure exceedi...

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Incision: A cut through skin or other tissue performed by a health care professional.

Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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Intraocular: In the eye. For example, intraocular pressure is the pressure within the eye....

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Intraocular pressure: The pressure created by the continual renewal of fluids within the ...

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Iris: The circular, colored curtain of the eye. The opening of the iris forms the pupil. T...

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Laser: A powerful beam of light that is used in some types of surgery to cut or destroy ti...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Normal range: Characteristic of 95 percent of values from a normal population. The remaini...

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Nutrition: 1: The process of taking in food and using it for growth, metabolism, and repai...

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Ocular: Having to do with the eye.

Onset: In medicine, the first appearance of the signs or symptoms of an illness as, for ex...

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Open-angle glaucoma: Glaucoma is a condition of the eye that leads to progressive atrophy ...

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Operation: In medicine, a surgical procedure. Many operations are named after persons. The...

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Ophthalmologist: A physician who practices ophthalmology.

Optic: Having to do with vision.

Optic nerve: The optic nerve connects the eye to the brain. The optic nerve carries the...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Peripheral: Situated away from the center, as opposed to centrally located.

Peripheral vision: Side vision. The ability to see objects and movement outside of the di...

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Prostaglandin: One of a number of hormone-like substances that participate in a wide range...

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Pulse: The rhythmic dilation of an artery that results from beating of the heart. Pulse is...

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Pupil: The opening of the iris. The pupil may appear to open (dilate) and close (constrict...

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Risk factor: Something that increases a person's chances of developing a disease. For exam...

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Sensitivity: 1. In psychology, the quality of being sensitive. As, for example, sen...

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Stage: As regards cancer, the extent of a cancer, especially whether the disease has spre...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Tension: 1) The pressure within a vessel, such as blood pressure: the pressure within t...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Tonometry: A standard eye test that is done to determine the fluid pressure inside the eye...

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Visual field: The entire area that can be seen when the eye is directed forward, including...

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Visual field test: A test that measures the extent and distribution of the field of vision...

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