Macula

From Academic Kids

Color Cross Section Illustration of the Human Eye courtesy of Classroom Clip Art (http://classroomclipart.com)
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Color Cross Section Illustration of the Human Eye courtesy of Classroom Clip Art (http://classroomclipart.com)

The macula or macula lutea is an oval yellow spot near the center of the retina of the human eye. It has a diameter of about 1.5 mm. Near its center is the fovea, a small pit that contains the largest concentration of cone cells in the eye and is responsible for central vision.

Whereas loss of peripheral vision may go unnoticed for some time, damage to the macula will result in loss of central vision, which is usually immediately obvious. The progressive destruction of the macula is a severe disease known as macular degeneration.

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Sensory system - Visual system

Eye - Optic nerve - Optic chiasm - Optic tract - Lateral geniculate nucleus - Optic radiations - Visual cortex

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