The organ of sight or vision.

Eye

The organ of sight or vision.

An illustration of a human eye.

Human Eye

An illustration of a human eye.

"The most essential parts of human vision are contained in the eyeball, a nearly spherical body, about an inch in diameter, and capable of being turned considerably in its socket by the action of various muscles." — Avery, 1895

Eyeball

"The most essential parts of human vision are contained in the eyeball, a nearly spherical body, about…

An illustration of a girl holding an umbrella and noticing that it is about to begin to rain.

Girl Noticing the Rain

An illustration of a girl holding an umbrella and noticing that it is about to begin to rain.

Section of glacier lake called the Marjelen See.

Marjelen See

Section of glacier lake called the Marjelen See.

"A poor man here is asking for relief, / The full-fed, portly man appears quite deaf; / He's humbly pleading - see the poor creature; / The big man before him grows still deafer; / Alas! how passing strange does this appear, / None are so deaf as those that will not hear. / Of those whose vision's dim, where'er they be, / None are so blind as those who will not see."—Barber, 1857

None so Deaf as Those That Won't Hear

"A poor man here is asking for relief, / The full-fed, portly man appears quite deaf; / He's humbly…

An illustration showing the point of sight of an artist looking at a barn.

Point of Sight

An illustration showing the point of sight of an artist looking at a barn.

"See, See," She cried.

See See

"See, See," She cried.

"A pracitcal application of a balance/lever is a see-saw." —Quackenbos 1859

See-saw

"A pracitcal application of a balance/lever is a see-saw." —Quackenbos 1859

A young girl playing on a see-saw.

Young Girl

A young girl playing on a see-saw.