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In most [[humanoid]] species, the '''optic nerve''' connects the [[retina]] of the [[eye]] to the sensory thalamus, a structure within the [[brain]] that routes sensory information in the manner of a gateway. The optic nerve is part of the [[central nervous system]]. Unlike the peripheral nervous system, [[Cell (biology)|cells]] of the central nervous system do not regenerate, so damage to the optic nerve results in permanent [[blindness]] without medical intervention. The nerve is about 2mm diameter where it emerges from the eye, increasing to roughly 4mm at it's terminus. Within the [[skull]], the optic nerves of binocular species partially cross, so that each side of the brain processes infromation from both eyes; this is, in part, what makes binocular vision possible. ([[TOS]]: "[[Operation -- Annihilate!]], [[VOY]]: "[[Living Witness]]")
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In most [[humanoid]] species, the '''optic nerve''' connects the [[retina]] of the [[eye]] to the sensory thalamus, a structure within the [[brain]] that routes sensory information in the manner of a gateway. The optic nerve is part of the [[central nervous system]]. Unlike the peripheral nervous system, [[Cell (biology)|cells]] of the central nervous system do not regenerate, so damage to the optic nerve results in permanent [[blindness]] without medical intervention. The nerve is about 2mm diameter where it emerges from the eye, increasing to roughly 4mm at it's terminus. Within the [[skull]], the optic nerves of binocular species partially cross, so that each side of the brain processes infromation from both eyes; this is, in part, what makes binocular vision possible. ([[TOS]]: "[[Operation -- Annihilate!]]", [[VOY]]: "[[Living Witness]]")
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:''More about the [[wikipedia:Optic nerve|optic nerve]].''
 
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'''See also:''' [[VISOR]]
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==External Links==
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*{{wikipedia|Optic nerve}}

Revision as of 22:39, 31 January 2006

In most humanoid species, the optic nerve connects the retina of the eye to the sensory thalamus, a structure within the brain that routes sensory information in the manner of a gateway. The optic nerve is part of the central nervous system. Unlike the peripheral nervous system, cells of the central nervous system do not regenerate, so damage to the optic nerve results in permanent blindness without medical intervention. The nerve is about 2mm diameter where it emerges from the eye, increasing to roughly 4mm at it's terminus. Within the skull, the optic nerves of binocular species partially cross, so that each side of the brain processes infromation from both eyes; this is, in part, what makes binocular vision possible. (TOS: "Operation -- Annihilate!", VOY: "Living Witness")

See also: VISOR

External Links