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The macula or macula lutea (from Latin macula, "spot" + lutea, "yellow") is an oval yellow spot near the center of the retina of the human eye. It has a diameter of about 1.5 mm and is often histologically defined as having two or more layers of ganglion cells. 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.
|Sensory system - Visual system - Eye - edit|
|Anterior chamber | Aqueous humour | Blind spot | Choroid | Ciliary body | Conjunctiva | Cornea | Iris | Lens | Macula | Optic disc | Optic fovea | Posterior chamber | Pupil | Retina | Schlemm's canal | Sclera | Tapetum lucidum | Trabecular meshwork | Vitreous humour|
|Sensory system - Visual system - edit|
|Eye | Optic nerve | Optic chiasm | Optic tract | Lateral geniculate nucleus | Optic radiation | Visual cortex|
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