ClipArt ETC
"Section through the left eye, closed. 1, lifting muscle; 2, upper straight muscle; 3, optic nerve; 4, fatty cushion; 5, lower straight muscle; 6, vitreous humor; 7, lower cross muscle; 8, lower eyelid; 9, upper eyelid; 10, crystalline lens." -Foster, 1921

Eye Section

"Section through the left eye, closed. 1, lifting muscle; 2, upper straight muscle; 3, optic nerve;…

Side view of the muscles of the eye in their natural positions. Labels: a,b,c,d, the four straight muscles. a. is turned up to prevent the others from being hidden. e. the superior oblique muscle. f. the optic nerve. The other oblique muscle is not shown, but it lies on the other side of the ball, and comes round, and is inserted near the superior oblique; so that they pull opposite ways, like two men sawing timber. By the combined action of all these muscles, an infinite variety of motions of the eye can be produced.

Muscle of the Eye

Side view of the muscles of the eye in their natural positions. Labels: a,b,c,d, the four straight muscles.…

The muscles of the right eye. Labels: A, superior straight; B, superior oblique passing through a pulley, D; G, inferior oblique; H, external straight, and , back of it, the internal straight muscle.

Muscles of the Eye

The muscles of the right eye. Labels: A, superior straight; B, superior oblique passing through a pulley,…

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior oblique; sr, superior rectus; ifr, interior rectus; ir, internal rectus; er, external rectus; f, frontal sinus; m, maxillary sinus; o, optic nerve." -Whitney, 1911

Muscles of Left Eyeball

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior…

Muscles of right eyeball within the orbit, seen from the front. Labels: 21, superior rectus; 22, inferior rectus; 23, external rectus; 24, internal rectus; 25, superior oblique; 26, inferior oblique.

Muscles of the Human Eyeball

Muscles of right eyeball within the orbit, seen from the front. Labels: 21, superior rectus; 22, inferior…

Muscles of eyeball, seen from side. Labels: 19, elevator muscle of eyelid; 22, inferior rectus; 23, external rectus; 24, internal rectus; 25, superior oblique; 26, inferior oblique.

Muscles of the Human Eyeball

Muscles of eyeball, seen from side. Labels: 19, elevator muscle of eyelid; 22, inferior rectus; 23,…