Neuroanatomy Draw It To Know It

22. Vision 387

Sclera

Anterior

chamber

Vitreous

chamber

Lens Posterior

chamber

Iris

Cornea

Ciliary

body

Zonule

Trabecular meshwork &

Canal of Schlemm

Choroid

Retina

Optic nerve

at lamina

cribrosa

Sub. arach.

Dura mater

Central retinal

artery and vein

Fo ve a

Optic n.

head

Pupil

Outer layer

Cornea (transparent)

Sclera (opaque)

Middle layer (uvea)

Iris

Ciliary body

Choroid

Nerve fiber layer

Synapses and cell bodies

Photoreceptor cell segments

Pigmented epithelium

Light

perception

Signal

transduction

Retina layers:

Inner (Vitreous)

Outer (Choroid)

Iris

Pupil

Coronal view

Cup

Disc

Coronal view

optic n. head

Signal exit

Sphincter m.

Dilator m.

DRAWING 22-3 Th e Eye — Complete