Eye Pain Glossary of Terms

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

Abrasion: An abrasion or "excoriation" is a wearing away of the upper layer of s...

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Acetaminophen: A nonaspirin pain reliever or analgesic. Acetaminophen may be given alone t...

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

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Allergic conjunctivitis: Inflammation of the whites of the eyes (conjunctivae), with itchi...

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Ammonia: A colorless gas with a very sharp odor. Made both by humans and by nature, ammoni...

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Anesthetic: A substance that causes lack of feeling or awareness, dulling pain to permit s...

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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.

Antibiotic: A drug used to treat infections caused by bacteria and other microorganisms. ...

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Antihistamines: Drugs that combat the histamine released during an allergic reaction by bl...

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

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Bacterial: Of or pertaining to bacteria, as in a bacterial lung infection.

Blepharitis: Inflammation of the eyelids. Blepharitis occurs in two forms, anterior and po...

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

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Chalazion: A cyst of the little glands in the eyelids that make a lubricant which they di...

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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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Conjunctivitis: Inflammation of the membrane covering the surface of the eyeball. It can b...

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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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Corneal abrasion: A scratch or scrape on the cornea, the clear front window of the eye tha...

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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.

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

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Discharge: 1.The flow of fluid from part of the body, such as from the nose or vag...

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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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Eyelid: The lid or cover of the eye, a movable fold of skin and muscle that can be closed ...

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

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Flush: (1) A redness of the skin, typically over the cheeks or neck. A flush is usually ...

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Gland: A group of cells that secrete a substance for use in the body. For example, the thy...

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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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Hygiene: The science of preventive medicine and the preservation of health. Also commonly ...

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Ibuprofen: A nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to treat pa...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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

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Injure: To harm, hurt, or wound. The word injure may be in physical or emotional sense. Fr...

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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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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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Iritis: Inflammation of the iris. The iris is the circular, colored curtain in the front o...

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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

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

Medical history: 1. In clinical medicine, the patient's past and present which may ...

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Membrane: A very thin layer of tissue that covers a 'surface.

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

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Migraine: Usually, periodic attacks of headaches on one or both sides of the head. These ...

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

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Multiple sclerosis: A disease that is characterized by loss of myelin (demyelinization). A...

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

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Neuritis: Inflammation of nerves. There are many causes of neuritis, including various vir...

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Ocular: Having to do with the eye.

Ointment: An oil-based preparation that is applied to the skin. Whereas an ointment has an...

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Ophthalmologist: A physician who practices ophthalmology.

Ophthalmology: The art and science of eye ?medicine.

Ophthalmoscope: A lighted instrument that is used to examine the inside of the eye, includ...

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Optic: Having to do with vision.

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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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Orbital: In anatomy, pertaining to the orbit, the bony cavity that contains the eyeball.

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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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Pinkeye: Also called conjunctivitis. Redness or irritation of the conjunctivae, the membra...

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Prescription: A physician's order for the preparation and administration of a drug or dev...

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

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Pus: A thick, whitish-yellow fluid that results from the accumulation of white blood cells...

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Sclerosis: Localized hardening of skin. Sclerosis is generally caused by underlying diseas...

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Scrub: 1. As a verb, to wash the hands and forearms very thoroughly, as before enga...

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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

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Sinus: 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decr...

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Sinusitis: Inflammation of the lining membrane in any of the hollow areas (sinuses) of the...

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Steroid: One of a large group of chemical substances classified by a specific carbon struc...

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

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Therapeutic: Relating to therapeutics, the branch of medicine that is concerned specifical...

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Tobacco: A South American herb (Nicotiana tabacum) whose leaves contain 2 to 8 percent nic...

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Toothache: Pain in the tooth or gum. The most common cause of a toothache is a cavity or a...

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Topical: Pertaining to a particular surface area. For example, a topical agent is applied ...

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Tylenol: See: Acetaminophen.

Ulcer: A lesion that is eroding away the skin or mucous membrane. Ulcers can have various ...

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Viral: Of or pertaining to a virus. For example, if a person has a viral rash, the rash wa...

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Viral infection: Infection caused by the presence of a virus in the body. Depending on...

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