Acute Angle-Closure Glaucoma Glossary of Terms

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

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

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Anterior: The front, as opposed to the posterior. The anterior surface of the heart is tow...

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Anterior chamber: The space in the eye that is behind the cornea and in front of the iris.

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

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Argon laser: A laser with ionized argon as the active medium. Argon lasers are used for ph...

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Atrophy: A wasting away or diminution. Muscle atrophy is a decrease in muscle mass, often ...

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

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

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Corneal: Pertaining to the cornea, the clear front window of the eye that transmits and fo...

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Corticosteroid: Any of the steroid hormones made by the outer portion (cortex) of the adre...

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Curable: Amenable to a cure, capable of being cured, to being healed and made well. From ...

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

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Drain: A device for removing fluid from a cavity or wound. A drain is typically a tube or ...

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Essential: In medicine, of unknown cause, as in essential hypertension (high blood pressur...

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Farsightedness: An error of refraction in the human eye that causes light rays to focus be...

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Glaucoma: A common eye condition in which the fluid pressure inside the eyes rises becaus...

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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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Hyperopia: Farsightedness; the ability to see distant objects more clearly than close obj...

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

Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ...

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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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Iridectomy: The process of making a hole in the iris. Iridectomy is a treatment for glauco...

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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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Laser surgery: A type of surgery that uses the cutting power of a laser beam to make blood...

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Lens: The transparent structure inside the eye that focuses light rays onto the retina.

Microscope: An optical instrument that augments the power of the eye to see small objects....

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Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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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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Obstruction: Blockage of a passageway. See, for example: Airway obstruction; Intestinal o...

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

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Ophthalmologist: A physician who practices ophthalmology.

Ophthalmoscopy: Examination of the interior of the eye, including the lens, retina and opt...

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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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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.

Posterior: The back or behind, as opposed to the anterior.

Posterior chamber: The space in the eye behind the iris and in front of the lens. (The iri...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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

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Rule out: Term used in medicine, meaning to eliminate or exclude something from considera...

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Shunt: 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2...

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Subacute: Rather recent onset or somewhat rapid change. In contrast, acute indicates very ...

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

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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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Trauma: A physical or emotional injury.

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