optometrist.

One who measures the seeing ability without the use of eyedrops.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

ophthalmic.

Relating to the eye.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

ophthalmologist.

A specialist in the eye and its diseases.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

ophthalmoscope.

An instrument for examining the interior of the eye consisting of a searchlight, the rays of which are concentrated in a small point and directed into the pupil, and small magnifying lenses through which the examiner looks.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

photophobia.

Eye pain on exposure to light, or a morbid fear of light.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

pinkeye.

A contagious inflammation of the eye with the production of matter and a very definite reddening of the whites of the eyes.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

port wine mark.

A kind of mole, purple or violet in color, only slightly raised above the skin, usually seen on the face. A type of birthmark.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

retina.

The innermost of the three coats of the eyeball, actually an expansion of the head of the nerve of sight that enters the eyeball from behind. The retina receives light sensation and transforms it into nervous impulses that are then sent along the nerve of sight to the brain for translation into vision.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

St. Anthony’s fire.

An obsolete name for . . . poisoning with ergot. A common characteristic of this condition is a bright-red appearance of the skin.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.

sanguine.

1. Bloody or resembling blood. 2. Active, hopeful.

—Layman’s Medical Dictionary, Harry Swartz, M.D., 1963.