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Refracts light to help focus it on the retina.

Controls the amount of light entering the eye.

Muscle that adjusts the size of the pupil.

Further refracts light to focus it on the retina; can change shape to adjust focus (accommodation).

Contains photoreceptor cells that detect light and convert it into electrical signals.

Photoreceptors responsible for vision at low light levels.

Photoreceptors responsible for color vision and central, high-resolution vision.

Transmits visual information from the retina to the brain.

Responsible for central, high-resolution, color vision.

The central focal point in the retina, packed with the highest density of cones for sharp vision.

Provides protection and form to the eye; known as the 'white of the eye'.

Provides oxygen and nutrients to the retina; contains blood vessels.

Gel-like substance filling the space between the lens and the retina, helping maintain eye shape.

Provides nutrients to the lens and cornea, maintains intraocular pressure.

Changes the shape of the lens for focusing, produces aqueous humor.

Where the optic nerve exits the eye; creates a natural blind spot since it lacks photoreceptors.

Control the movement of the eye and direction of gaze.

Suspend the lens and transmit forces from the ciliary muscles to change the lens shape during accommodation.

Keeps the surface of the eye moist and free from dust, provides nutrients, and aids in light refraction.