retina: Quick Facts

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Photos

Close-up retinal image showing advanced macular degeneration, with yellowish deposits, darkened central area, and visible blood vessels.

Cross-sectional medical illustration of an eye showing retinal detachment, with labeled parts including the vitreous body, retina, choroid, sclera, retinal break, and area of detached retina.

Figure 2: Influence of the environment on the optical arrangements of animal eyes (see text).

Diagram of a horizontal section of the human eye showing labeled parts including the cornea, iris, lens, retina, sclera, optic nerve, and blood vessels, with internal structures and muscles visible.

Figure 1: General structure of the mammalian eye.

Diagram showing the layered structure of the human retina, with labeled optic nerve fibers, ganglion cells, bipolar neurons, rod cells, cone cells, and pigmented epithelium at the base.

Diagram showing two human eyes with blue arrows tracing light from three labeled points (C, D, E) to the retina, illustrating how moving the eye changes which objects are projected onto the retina.

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Topics

rod dark adaptation light adaptation plexiform layer blind spot macula lutea cone pigment epithelium ciliary epithelium amacrine cell cornea aqueous humour pupil lens

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Key People

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David Hunter Hubel

American biologist

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Haldan Keffer Hartline

American physiologist

Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)

The Human Body

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