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22 Cards in this Set
- Front
- Back
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Accommodation |
The adjustment of the eye to variations in distance |
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Age related macular degeneration |
A progressive deterioration of the maculae of the retina and choroid of the eye |
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Amsler Grid |
A checkerboard grid of intersecting dark horizontal & vertical lines with one dark spot in the middle. To discover a visual field defect the person simply covers or closes one eye and looks at the spot with one open eye |
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Aphakia |
A condition in which part or all of the crystalline lens of the eye is absent, usually because it has been surgically removed as i the treatment of cataracts |
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Aphasia |
An abnormal neurological condition in which language function is defective or absent because of an injury to certain areas of the cerebral cortex |
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Auditory |
Pertaining to the sense of hearing and the hearing organs involved |
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Awareness |
A condition of being alert and cognizant if ones surroundings and external phenomena as well as ones personal state |
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Blind |
The absence of sight. The term may indicate a total loss of vision or may be applied in a modified manner to describe certain visual limitations |
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Cataracts |
An abnormal progressive condition of the lens of the eye , characterized by loss of transparency. A gray white opacity can be reserved within the lens behind the pupil. |
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Central vision |
Vision that results from images falling on the macula of the retina |
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Conductive |
A yellowish or brownish waxy secretion produced by vestigial apocrine sweat glands in the external ear canal; also Called ear wax |
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Color blindness |
An abnormal condition characterized by an inability to distinguish colors of the visible spectrum clearly. In most cases it’s not a blindness but a weakness in perceiving colors distinctly |
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Conductive hearing loss |
Is a result of damage to the outer or middle ear |
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Congenital |
Present at birth as a congenital anomaly or defect |
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Congenital cataracts |
Opacity of the lens which occurs in utero before birth of the child. Congenital cataracts are usually hereditary but may be caused by viral infection during the first trimester of gestation |
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Convergence |
The movement of two objects toward a common point such as the turning of the eyes inward to see and object close to the face |
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Corneal abrasion |
The rubbing off the outer layers of the cornea |
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Corneal reflex |
A protective mechanism for the eye in which the eyelids close when the cornea is touched |
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Cycloplegic |
Pertaining to a drug or treatment that causes paralysis of the colliery muscles of the eye |
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Decibel |
A unit of measure of the intensity of sound |
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Enophthalmos |
Backward displacement of the eye in the bony orbit caused by traumatic injury or developmental defect |
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Exudative macular degeneration |
Exudative “wet” macular degeneration is a chronic eye disease that causes blurred vision or a blind spot in your visual field |
