Visual & Auditory Key Terms
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a clear watery fluid that fills the anterior and posterior chambers of the anterior cavity of the eye.
an unevenness in the corneal or lenticular curvature, causing horizontal and vertical rays to be focused at two different points on the retina, which results in visual distortion.
the mucous membrane lining the inner surfaces of the eyelids and anterior part of the sclera.
farsightedness, or an inability of the eye to focus on nearby objects.
biconvex, avascular, transparent structure located behind the iris.
nearsightedness, or an inability of the eye to focus on objects far away.
an abnormal involuntary repetitive movement of the eyes.
a hyperopic shift to farsightedness resulting from a loss of elasticity of the lens of the eye; the condition commonly develops with advancing age, with the first symptoms appearing about age 40 years.
the ability of the eye to bend light rays so that they fall on the retina.
a layered nervous tissue membrane of the eye, continuous with the optic nerve, that receives images of external objects and transmits visual impulses through the optic nerve to the brain.
an opaque structure composed of collagen fibers meshed together that encircles the globe of the eye; commonly referred to as the "white" of the eye.
a subjective noise sensation, often described as ringing, heard in one or both ears.
a sensation that a person or objects around the person are moving or spinning; usually stimulated by movement of the head.
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