retina

Introduction References & Edit History Related Topics

Images

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.

retina: Media

anatomy

Images

Papilledema

Papilledema

Photograph of the retina, showing (arrow) swelling of the head of the optic nerve....

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

macular degeneration

Advanced macular degeneration of the retina.

© Terence Mendoza/Shutterstock.com

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.

Retinal detachment.

Encyclopædia Britannica, Inc.

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

Figure 2: Influence of the environment on the optical arrangements of animal eyes...

Encyclopædia Britannica, Inc.

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.

cross section of the human eye

A horizontal cross section of the human eye, showing the major parts of the eye,...

Encyclopædia Britannica, Inc.

Figure 1: General structure of the mammalian eye.

Figure 1: General structure of the mammalian eye.

Encyclopædia Britannica, Inc.

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.

structure of the retina

Structure of the retina.

Encyclopædia Britannica, Inc.

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.

retinal image

Projection of retinal images into space.

Encyclopædia Britannica, Inc.

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