Dry Eye Syndrome Glossary of Terms

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

20/20: See: Twenty-twenty.

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

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

See the entire definition of Abrasion

Antibiotic: A drug used to treat bacterial infections. Antibiotics have no effect on viral...

See the entire definition of Antibiotic

Antidepressants: Anything, and especially a drug, used to prevent or treat depression.

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

See the entire definition of Antihistamines

Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, w...

See the entire definition of Arthritis

Autoimmune: Pertaining to autoimmunity, a misdirected immune response that occurs when the...

See the entire definition of Autoimmune

Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

See the entire definition of Bacteria

Bell's palsy: Paralysis of the nerve that supplies the facial muscles on one side of the f...

See the entire definition of Bell's palsy

Biopsy: The removal of a sample of tissue for examination under a microscope to check for ...

See the entire definition of Biopsy

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

See the entire definition of Blepharitis

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

See the entire definition of Blurred vision

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

See the entire definition of Conditioning

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

See the entire definition of Conjunctiva back to top

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

See the entire definition of Cornea

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

See the entire definition of Corneal

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

See the entire definition of Corneal abrasion

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

See the entire definition of Corticosteroid

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

See the entire definition of Cure

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

See the entire definition of Diagnosis

Doxycycline: Brand name: Vibramycin. A synthetic broad-spectrum antibiotic derived from te...

See the entire definition of Doxycycline

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

See the entire definition of Drain

Dry eye: A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as...

See the entire definition of Dry eye

Dysfunction: Difficult function or abnormal function.

Epithelial: Relating to the epithelium.

Erythromycin: Erythromycin is a common antibiotic for treating bacterial infection. Sold...

See the entire definition of Erythromycin

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

See the entire definition of Eyelid

Fats: Plural of the word "fat". See the definition of fat.

FDA: Food and Drug Administration.

back to top

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

See the entire definition of Flush

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

See the entire definition of Gland

Humidifier: A machine that puts moisture into the air. Humidified air makes it easier to b...

See the entire definition of Humidifier

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

See the entire definition of Infection

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

See the entire definition of Inflammation

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

See the entire definition of Itching

Keratoconjunctivitis: Inflammation of the eye that involves both the cornea and conjunctiv...

See the entire definition of Keratoconjunctivitis

Keratoconjunctivitis sicca: also known as dry eye syndrome or keratitis sicca, a condition...

See the entire definition of Keratoconjunctivitis sicca

Lacrimal: Pertaining to tears. For example, the lacrimal gland is a gland that secretes te...

See the entire definition of Lacrimal

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

See the entire definition of Laser

Lateral: 1. In anatomy, the side of the body or a body part that is farther from th...

See the entire definition of Lateral

Lipid: Another word for "fat." (Please see the various meanings of fat.) A lipid is chemic...

See the entire definition of Lipid

Lipids: Another word for "fats." (Please see the various meanings of Fat.) Lipids can be m...

See the entire definition of Lipids

Lupus: A chronic inflammatory disease that is caused by autoimmunity. Patients with lupus ...

See the entire definition of Lupus

Meibomian gland: A type of gland in the eyelids that makes a lubricant called sebum which ...

See the entire definition of Meibomian gland back to top

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

See the entire definition of Microscope

Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

See the entire definition of Mouth

Mucus: A thick fluid that is produced by the lining of some organs of the body.

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

See the entire definition of Nerve

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

See the entire definition of Nose

Occlusion: The act of occluding. See: Occlude.

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

See the entire definition of Ophthalmic

Ophthalmologist: A physician who practices ophthalmology.

Ophthalmology: The art and science of eye ?medicine.

Osmolarity: The concentration of osmotically active particles in solution, which may be qu...

See the entire definition of Osmolarity

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

See the entire definition of Pain

Palsy: Paralysis, generally partial, whereby a local body area is incapable of voluntary m...

See the entire definition of Palsy

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

See the entire definition of Prescription

Reflex: An involuntary reaction. For example, the corneal reflex is the blink that occurs ...

See the entire definition of Reflex

Rheumatoid arthritis: An autoimmune disease characterized by chronic inflammation of joint...

See the entire definition of Rheumatoid arthritis back to top

Rosacea: A chronic skin disease that causes persistent redness over the areas of the face ...

See the entire definition of Rosacea

Saliva: a watery secretion in the mouth produced by the salivary glands that aids in the d...

See the entire definition of Saliva

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

See the entire definition of Sensation

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

See the entire definition of Sensitivity

Sjogren syndrome: An autoimmune disease that classically combines dry eyes, dry mouth, and...

See the entire definition of Sjogren syndrome

Sleep: The body's rest cycle.

Stevens-Johnson syndrome: A serious systemic (bodywide) allergic reaction with a character...

See the entire definition of Stevens-Johnson syndrome

Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

See the entire definition of Stroke

Superficial: In anatomy, on the surface or shallow. As opposed to deep. The skin is superf...

See the entire definition of Superficial

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

See the entire definition of Surgery

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

See the entire definition of Symptom

Syndrome: A combination of symptoms and signs that together represent a disease process.

Tear: A drop of the salty secretion of the lacrimal glands which serves to moisten the con...

See the entire definition of Tear

Tear film: The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smo...

See the entire definition of Tear film

Tetracycline: A family of broad-spectrum antibiotics effective against a remarkably wide v...

See the entire definition of Tetracycline back to top

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

Throat: The throat is the anterior (front) portion of the neck beginning at the back of th...

See the entire definition of Throat back to top




NIH talks about Ebola on WebMD


Medical Dictionary