Template:Visual system

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v • d • e Sensory system – Visual system and eye movement Vision Retina → Optic nerve → Optic chiasm → Optic tract → Lateral geniculate nucleus → Optic radiation → Visual cortex (Cuneus, Lingual gyrus) → Blobs Tracking Smooth pursuit: Parietal lobe - Occipital lobe Saccade: Frontal eye fields Physiologic nystagmus Horizontal gaze Abducens nucleus → PPRF → MLF → Oculomotor nucleus → Medial rectus muscle Vertical gaze Rostral interstitial nucleus → Oculomotor nucleus, Trochlear nucleus → Muscles of orbit Pupillary dilation Ciliospinal center → Superior cervical ganglion → Long ciliary nerves → Iris dilator muscle Pupillary light reflex (constriction) Retina → Optic nerve → Optic chiasm → Optic tract → Pretectum → Edinger-Westphal nucleus → Oculomotor nerve → Ciliary ganglion → Short ciliary nerves → Iris sphincter muscle Accommodation Retina → Optic nerve → Optic chiasm → Optic tract → Visual cortex → Brodmann area 19 → Pretectum → Edinger-Westphal nucleus → Short ciliary nerves → Ciliary ganglion → Ciliary muscle Vestibulo-ocular reflex Semicircular canal → Vestibulocochlear nerve → Vestibular nuclei → Medial rectus muscle Circadian rhythm Retina → Hypothalamus (Suprachiasmatic nucleus)

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