Eye Allergies Glossary of Terms

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

Allergen: A substance that can cause an allergic reaction. Common allergens include ragwee...

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

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Allergic reaction: The hypersensitive response of the immune system of an allergic indiv...

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Allergy: A misguided reaction to foreign substances by the immune system, the body system ...

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Allergy shots: See Allergy desensitization.

Ambient: Surrounding, present on all sides; encompassing. As, the ambient noise is deafeni...

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

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Asthma: A common lung disorder in which inflammation causes the bronchi to swell and narro...

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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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Conditioning: 1) Exercise and practice to build the body up for either improved normal pe...

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

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Conjunctival: Pertaining to the conjunctiva, the clear moist membrane that covers the inne...

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

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Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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

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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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FDA: Food and Drug Administration.

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

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HEPA: Acronym that stands for High-Efficiency Particulate Air and for High-Efficiency Part...

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Immune: Protected against infection, usually by the presence of antibodies.

Immunology: The study of all aspects of the immune system, including its structure and fun...

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Immunotherapy: Treatment to stimulate or restore the ability of the immune (defense) syst...

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In vitro: In glass, as in a test tube. An in vitro test is one that is done in glass or pl...

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

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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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Mold: One of a large group of fungi that can proliferate on food or in moist areas. Househ...

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Mucous: Pertaining to mucus, a thick fluid produced by the lining of some tissues of the b...

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Nasal: Having to do with the nose.

Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

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Ocular: Having to do with the eye.

Ophthalmic: Pertaining to the eye. For example, an ophthalmic ointment is designed for the...

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Ophthalmologist: A physician who practices ophthalmology.

Ophthalmology: The art and science of eye ?medicine.

Ounce: A measure of weight equal to 1/16th of a pound or, metrically, 28.35 gra...

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Pollen: Small, light, dry protein particles from trees, grasses, flowers, and weeds that m...

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Pound: A measure of weight that is equal to 16 ounces or, metrically, 453.6 grams. Abbrevi...

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

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

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Quality of life: The patient's ability to enjoy normal life activities. Quality of life is...

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Ragweed: Any of several weedy composite herbs that produce a pollen to which many people a...

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

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

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Subcutaneous: Under the skin. For example, a subcutaneous injection is an injection in whi...

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Sublingual: Underneath the tongue. For example, a sublingual medication is a type of lozen...

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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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Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood comin...

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Symptomatic: 1 With symptoms, as a symptomatic infection. 2 Characteristic o...

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Systemic: Affecting the entire body. A systemic disease such as diabetes can affect the wh...

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

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

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Trigger: Something that either sets off a disease in people who are genetically predispose...

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