Angle Recession Glaucoma Glossary of Terms

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

Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

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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Asymptomatic: Without symptoms. For example, an asymptomatic infection is an infection wit...

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Bleb: A bladder-like structure more than 5 mm in diameter with thin walls that may be full...

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

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Choroid: In the eye, a thin vascular layer between the sclera and the retina. The choroid ...

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

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Conjunctiva: A thin, clear, moist membrane that coats the inner surfaces of the eyelids (p...

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Contrast: Short for "contrast media." Contrast media are X-ray dyes used to provide contra...

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Contusion: Another name for a bruise. What is a bruise ? A bruise, or contusion, is caused...

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

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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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Disc: Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized...

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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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Emergency department: The department of a hospital responsible for the provision of medica...

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Fundus: In medicine, the bottom or base of an organ. For example, the fundus of the eye is...

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

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

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Implant: 1. To embed; to set in firmly. In embryology, the fertilized egg implants ...

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Incidence: The frequency with which something, such as a disease or trait, appears in a pa...

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Indicate: In medicine, to make a treatment or procedure advisable because of a particular ...

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

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Intervention: The act of intervening, interfering or interceding with the intent of modify...

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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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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.

Motor: Something that produces or refers to motion. For example, a motor neuron is a nerve...

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

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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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Operating room: A facility that is equipped for performing surgery. Abbreviated OR.

Ophthalmologist: A physician who practices ophthalmology.

Optic: Having to do with vision.

Optic disc: The circular area in the back of the inside of the eye where the optic nerve c...

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

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Pediatric: Pertaining to children.

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

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

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

Prevalence: The proportion of individuals in a population having a disease or characterist...

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

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Progressive: Increasing in scope or severity, advancing, or going forward. For example, a ...

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

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Retina: The retina is the nerve layer that lines the back of the eye, senses light, and c...

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

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Sclera: The tough white outer coat over the eyeball that covers approximately the posterio...

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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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Substance: 1. Material with particular features.
2. The material that...

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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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Ultrasound: High-frequency sound waves. Ultra-sound waves can be bounced off tissues by us...

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Unilateral: Having, or relating to, one side. For example, a unilateral rash is one that i...

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Visual acuity: The clarity or clearness of vision, a measure of how well a person sees.

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

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Vitreous: A clear, jelly-like substance that fills the middle of the eye. Also called the ...

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