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Contacts Term 1
Terminology Quiz 1
| Question | Answer |
|---|---|
| Abrasion | Scraped area of corneal surface accompanied by loss of superficial tissue. |
| Accomodation | The ability of the crystalline lens to adjust power to provide retinal focus of images of objects closer than infinity. |
| Acuity | Measure of an eyes ability to distinguish object details and shape. Assessed by the smallest identifiable object that can be seen at a specified distance (usually 20 ft or 16 in) |
| Adnexia Oculi | Structures surrounding the eyeball, includes the eyelids, eyebrows, tear drainage system, orbital walls, and orbital contents |
| Albinism | Lack of pigment in the iris and choroid, results in reddish pupils and iris; usually accompanied by poor vision, light sensitivity, and involuntary oscillating eye movements |
| Amblyopia | Loss of vision without any apparent disease of the eye; decreased vision without detectable anatomical damage to the retina on visual pathways. |
| Ametropia | A refractive error in which the eye, when in a state of rest, does not focus the image of an object upon the retina. Includes hyperopia, myopia, and astigmatism. |
| Aniridia | (Iris hypoplasia); Incomplete formation of the iris; associated with glaucoma, nystagmus, sensitivity to light, and poor vision |
| Aniseikonia | Unequal retinal image sizes in the two eyes, usually from different refractive errors |
| Anisicoria | Unequal pupil size (difference of 1 mm or more) |
| Anomaly | A deviation from normal, especially of a body part |
| Anophthalmia | Absence of the eyeball |
| Anterior Chamber | Fluid-filled space inside the eye between the iris and the innermost corneal surface. |
| Antigen | Any substance that stimulates production of antibodies; part of the immune system. |
| Aphakia | Absence of the eyes crystalline lens. |
| Aqueous Humor | Clear, watery fluid that fills the space between the back surface of the cornea and the front surface of the vitreous, bathing the lens. Produced by the ciliary processes; nourishes the cornea, iris, and the lens and maintains intraoccular pressure. |
| Arcus Senilis | Ring-shaped, grayish deposit of fat near the limbus. Typically occurs after age 60, or in young patients with abnormally high blood fat levels. |
Created by:
griffiskr
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