cataract.
Clouding of the lens of the eye that partially or entirely prevents light from entering the eye.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
cornea.
The transparent front covering of the eyeball, part of the white of the eye, through which is seen the pupil and . . . the iris.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
heliotherapy.
The treatment of disease by exposing the body to sunlight, used in certain forms of tuberculosis.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
illusion.
A false interpretation of a real sensation. Example: when one is on a motionless train next to another train just starting off, the sense that one is moving backward and the other train is standing still.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
iris.
The colored, circular disc of the eye, suspended behing the transparent part of the eye, the cornea. Its hind surface rests on the lens of the eye. . . . The iris . . . contains . . . muscles [that] control the size of the pupil.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
jaundice.
Yellowness of the skin, lining tissues, and secretions due to bile pigments in the blood.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
lens.
1. A crystal or piece of glass that bends rays of light passing through it. . . . 2. The transparent egg-shaped body lying behind the pupil of the eye, called the crystalline lens of the eye.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
lenticular.
1. Resembling or relating to a lens. 2. Relating to the crystalline lens of the eye.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
livid.
A pale, leaden, bluish color. The discoloration produced by an injury.
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.
macula.
A pigmented spot upon the skin. 2. A spot in the retina. . . .
—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.