Primary Open-Angle Glaucoma Glossary of Terms
The following are health and medical definitions of terms that appear in the Primary Open-Angle Glaucoma article.
Ablation: Removal or excision. Ablation is usually carried out surgically. For example, su... See the entire definition of AblationAnterior: The front, as opposed to the posterior. The anterior surface of the heart is tow... See the entire definition of AnteriorAnterior chamber: The space in the eye that is behind the cornea and in front of the iris. Anxiety: A feeling of apprehension and fear, characterized by physical symptoms such as pa... See the entire definition of AnxietyAqueous humor: In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aq... See the entire definition of Aqueous humorArgon laser: A laser with ionized argon as the active medium. Argon lasers are used for ph... See the entire definition of Argon laserArthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, w... See the entire definition of ArthritisAtrophy: A wasting away or diminution. Muscle atrophy is a decrease in muscle mass, often ... See the entire definition of AtrophyBleb: A bladder-like structure more than 5 mm in diameter with thin walls that may be full... See the entire definition of BlebBlind: 1. Unable to see. Without part or all of the sense of sight. Blindness: Loss of useful sight. Blindness can be temporary or permanent. Damage to any p... See the entire definition of BlindnessBlood pressure: The blood pressure is the pressure of the blood within the arteries. It is... See the entire definition of Blood pressureBlurred vision: Lack of sharpness of vision with, as a result, the inability to see fine d... See the entire definition of Blurred visionCataract: A clouding or loss of transparency of the lens in the eye as a result of tissu... See the entire definition of CataractCentral retinal vein: The blood vessel that carries blood away from the retina of the eye. 
Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ... See the entire definition of ChronicCiliary body: Part of the eye, the ciliary body is a circular structure just behind the ir... See the entire definition of Ciliary bodyConjunctiva: A thin, clear, moist membrane that coats the inner surfaces of the eyelids (p... See the entire definition of ConjunctivaCornea: The clear front window of the eye, which transmits and focuses light into the eye.... See the entire definition of CorneaCorneal: Pertaining to the cornea, the clear front window of the eye that transmits and fo... See the entire definition of CornealCryotherapy: Literally, "cold therapy." Cryotherapy, sometimes referred to as cryosurgery,... See the entire definition of CryotherapyCupping: 1. Cupping therapy is usually used as part of acupuncture or body work tre... See the entire definition of CuppingDepression: An illness that involves the body, mood, and thoughts and that affects the way... See the entire definition of DepressionDiabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mell... See the entire definition of DiabetesDiagnosis: 1 The nature of a disease; the identification of an illness. 2 A ... See the entire definition of DiagnosisDilation: The process of enlargement, stretching, or expansion. The word "dilatation" mean... See the entire definition of DilationDisc: Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized... See the entire definition of DiscDrain: A device for removing fluid from a cavity or wound. A drain is typically a tube or ... See the entire definition of DrainEssential: In medicine, of unknown cause, as in essential hypertension (high blood pressur... See the entire definition of EssentialFamily history: The family structure and relationships within the family, including inform... See the entire definition of Family history
Fiber: The parts of fruits and vegetables that cannot be digested. Fiber is of vital impor... See the entire definition of FiberFundus: In medicine, the bottom or base of an organ. For example, the fundus of the eye is... See the entire definition of FundusGeneric: 1. The chemical name of a drug. 2. A term referring to the chemical... See the entire definition of GenericGenetic: Having to do with genes and genetic Glaucoma: A common eye condition in which the fluid pressure inside the eyes rises becaus... See the entire definition of GlaucomaHeadache: A pain in the head with the pain being above the eyes or the ears, behind the he... See the entire definition of HeadacheHeart: The muscle that pumps blood received from veins into arteries throughout the body. ... See the entire definition of HeartHeart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ... See the entire definition of Heart diseaseHigh blood pressure: A repeatedly elevated blood pressure exceeding 140 over 90 mmHg. Chro... See the entire definition of High blood pressureHippocrates: (c.460-377BC) Great Greek physician on the Mediterranean island of Cos, who f... See the entire definition of HippocratesHumor: In medicine, a fluid or semifluid substance. For example, the aqueous humor is the ... See the entire definition of HumorHypertension: High blood pressure, defined as a repeatedly elevated blood pressure exceedi... See the entire definition of HypertensionImplant: 1. To embed; to set in firmly. In embryology, the fertilized egg implants ... See the entire definition of ImplantIncidence: The frequency with which something, such as a disease or trait, appears in a pa... See the entire definition of IncidenceInflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ... See the entire definition of Inflammation
Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot... See the entire definition of InjuryIntraocular: In the eye. For example, intraocular pressure is the pressure within the eye.... See the entire definition of IntraocularIntraocular pressure: The pressure created by the continual renewal of fluids within the ... See the entire definition of Intraocular pressureIris: The circular, colored curtain of the eye. The opening of the iris forms the pupil. T... See the entire definition of IrisLaser: A powerful beam of light that is used in some types of surgery to cut or destroy ti... See the entire definition of LaserLens: 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.... See the entire definition of MicroscopeMigraine: Usually, periodic attacks of headaches on one or both sides of the head. These ... See the entire definition of MigraineMigraine headache: The most common type of vascular headache involving abnormal sensitivit... See the entire definition of Migraine headacheMyopia: Nearsightedness, the ability to see close objects more clearly than distant objec... See the entire definition of MyopiaNearsightedness: The ability to see near objects more clearly than distant objects. Also ... See the entire definition of NearsightednessNerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an... See the entire definition of NerveObesity: The state of being well above one's normal weight. Occlusion: The act of occluding. See: Occlude. Ocular: Having to do with the eye.
Open-angle glaucoma: Glaucoma is a condition of the eye that leads to progressive atrophy ... See the entire definition of Open-angle glaucomaOphthalmologist: A physician who practices ophthalmology. Ophthalmology: The art and science of eye ?medicine. 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... See the entire definition of Optic discOptic nerve: The optic nerve connects the eye to the brain. The optic nerve carries the... See the entire definition of Optic nervePain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa... See the entire definition of PainPeripheral: 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... See the entire definition of Peripheral visionPharmacy: A location where prescription medications are sold. A pharmacy is constantly sup... See the entire definition of PharmacyPhthisis: A good trivia or crossword item. An over-consonanted Greek word meaning "a dwind... See the entire definition of PhthisisPrevalence: The proportion of individuals in a population having a disease or characterist... See the entire definition of PrevalenceProbe: (1) In surgery, a probe is a slender flexible rod with a blunt end used to e... See the entire definition of ProbePrognosis: The forecast of the probable outcome or course of a disease; the patient's chan... See the entire definition of PrognosisProgressive: Increasing in scope or severity, advancing, or going forward. For example, a ... See the entire definition of Progressive
Prostaglandin: One of a number of hormone-like substances that participate in a wide range... See the entire definition of ProstaglandinRetina: The retina is the nerve layer that lines the back of the eye, senses light, and c... See the entire definition of RetinaRetinal: Pertaining to the retina, the extraordinary layer of neurons (nerve cells) that ... See the entire definition of RetinalRisk factor: Something that increases a person's chances of developing a disease. For exam... See the entire definition of Risk factorRule out: Term used in medicine, meaning to eliminate or exclude something from considera... See the entire definition of Rule outShunt: 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2... See the entire definition of ShuntSpasm: A brief, automatic jerking movement. A muscle spasm can be quite painful, with the ... See the entire definition of SpasmStress: In a medical or biological context stress is a physical, mental, or emotional fact... See the entire definition of StressSurgery: The branch of medicine that employs operations in the treatment of disease or inj... See the entire definition of SurgeryTherapy: 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... See the entire definition of TonometryTopical: Pertaining to a particular surface area. For example, a topical agent is applied ... See the entire definition of TopicalTrauma: A physical or emotional injury. Ultrasound: High-frequency sound waves. Ultra-sound waves can be bounced off tissues by us... See the entire definition of UltrasoundVein: A blood vessel that carries blood that is low in oxygen content from the body back t... See the entire definition of Vein
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... See the entire definition of Visual fieldVisual field test: A test that measures the extent and distribution of the field of vision... See the entire definition of Visual field test
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