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38 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Abduction |
The movement of the eye outward toward the temple |
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aberrometery |
The measurement of optical aberration of the visual systems using a device called a wavefront analyzer or aberrometer |
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Abrasion |
A scratch |
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abcess |
A localized collection of pus surrounded by inflamed tissue |
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absolute scotoma |
A severe VF defect in which the largest and brightest stimulus cannot be seen; blindness at that specific location |
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Accommodation |
The change in the curvature of the crystalline lens is that helps to focus images of objects close to the eye |
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Acidic burns |
A chemical injury to tissue, caused by an agent of low pH |
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Acquired immune deficiency syndrome |
An infection with human immunodeficiency virus that causes a compromised immune system |
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Acute |
Refers to a condition that flares up suddenly and persist for only a short time |
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Add |
The portion of a multifocal lens, usually the lower part, that provides correction for near vision; also called segment or near add |
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Adduction |
The movement of the eye inward towards the nose |
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. Adenovirus |
A family of viruses primarily in respiratory infections; can cause highly contagious forms of conjunctivitis |
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Adnexa |
The tissues and structures surrounding the eye includes the orbits extraocular muscles eyelids and lacrimal apparatus |
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APD afferent pupillary defect |
A people with normal iris functions that fails to construct normally with direct flight stimulation but react strongly consensually or when the fellow is stimulated. usually secondary to optic nerve disease |
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"against motion" |
The retinoscopic reflex movement that is in the opposite direction from the movement of the streak of light from the retinascope; typical of the myopic eye |
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Age-related macular degeneration |
A disease which sensory cells of the macular degeneration resulting in the loss of central vision |
Usually affects older people |
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Alkali burn |
A chemical injury to tissue caused by an agent of high pH |
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Allergic reaction |
A condition in which the body produces antibodies to foreign materials such as food plant pollens or medications |
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Alternate cover test |
A test performed by placing in a cleaner over one eye and then moving it slowly over to the other eye to detect a tendency for the eyes to deviate while under the |
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Attitudinal scotoma |
The joining and enlargement of the nasal step visual field defect and an arcuate scotoma to cause the loss of the entire upper or lower visual field |
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Amblyopia |
Decreased vision present without apparent abnormalities in the ocular anatomy and uncorrectable by spectacles or contact lenses |
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ametropia |
The refractive state of an eye that is unable to focus correctly due to refractive error |
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Amsler grid test |
A test for determining the presence and location of defects in the central portion of the visual field |
Used mainly in macular degeneration patients |
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Anatomy |
The structure of an organism |
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Anesthetic |
A drug that causes a temporary deadening of a nerve resulting in loss of feeling in the surrounding tissue |
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Angiogenesis |
The formation of new blood vessels |
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Angiography |
A method of examining and recording size structure and location of blood vessels in organ systems using fluorescent dyes |
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Anisocoria |
A condition in which the pupils are of unequal size |
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Anterior |
The front part of a structure |
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Anterior chamber angle |
The junction of the cornea and the iris from which the aqueous humor leaves the eye |
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Anterior chamber |
These small compartment between the cornea and the iris that is filled with a clear transparent fluid called aqueous humor |
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anterior ischemic optic neuropathy |
Insufficient blood flow to the optic nerve head resulting in lack of oxygen and subsequent infarction of the nerve fibers and loss of vision |
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Anterior segment |
The front of the eye includes the structures between the front surface of the cornea and the vitreous |
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Anti-angiogenesis |
A process or agent that prevents new blood vessel growth |
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Antibiotic |
A drug that combats a bacterial infection |
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Antibody |
A chemical substance that the body manufactures to neutralize and infecting organism toxin or foreign agent |
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Antifungal |
A drug that combats a fungal infection |
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Antimetabolite |
A substance that interferes with a metabolite necessary for normal metabolic functions often used to disrupt proliferation of cancerous or other abnormal cells antimetabolites may also be used to prevent normal regrowth in circumstances where it is not desirable |
Cancer drugs used in trab |
