optic

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adj.

1. Of or relating to the eye or vision.
2. Of or relating to the science of optics or optical equipment.

n.

1. An eye.
2. Any of the lenses, prisms, or mirrors of an optical instrument.

[Middle English optik, from Old French optique, from Medieval Latin opticus, from Greek optikos, from optos, visible.]

Dispenser attached to bottles of spirits, etc., in bars to ensure delivery of a precise volume.

adjective

Serving, resulting from, or relating to the sense of sight: optical, visual. See see/not see.

Pertaining to vision or the eye.

Of or pertaining to the eye.

• o. chiasma — see optic chiasm.
• o. cortex — see visual cortex.
• o. cup activity — see intraretinal space.
• o. disk — the disk in the fundus of the eye marking the point at which the optic nerve enters; it is accompanied by blood vessels, is oval, light in color and the blind spot of the retina.
• o. nerve — the second cranial nerve; it is purely sensory and is concerned with carrying impulses for the sense of sight. The rods and cones of the retina are connected with the optic nerve which leaves the eye slightly to the nasal side of the center of the retina. The point at which the optic nerve leaves the eye is called the blind spot because there are no rods and cones in this area. The optic nerve passes through the optic foramen of the skull and into the cranial cavity. It then passes backward and undergoes a division; those nerve fibers leading from the nasal side of the retina cross to the opposite side in the optic chiasma while those from the temporal side continue to the thalamus uncrossed. The nerve tracts proceeding backward from the optic chiasm, pass around the cerebral peduncle, and dividing into a lateral and medial root, which end in the superior colliculus and lateral geniculate body, respectively. After synapsing in the thalamus the neurons convey visual impulses to the occipital lobe of the brain.
— Injury to the nerve leads to partial or complete loss of sight on the opposite side. Commonly bilateral.
• o. nerve aplasia — an uncommon congenital anomaly, most frequently seen in Collie dogs; affected animals are blind from birth. Hypovitaminosis A and prenatal infection with bovine virus diarrhea are possible causes.
• o. nerve inflammation — optic neuritis.
• o. primordia — the eyes begin in the embryo as a pair of shallow optic grooves on each side of the developing forebrain. The grooves form optic vesicles which invaginate to form a double-walled optic cup.
• o. radiation — fibers from the lateral geniculate body entering the occipital cortex.
• o. stalk — the evagination from the neural tube of the developing embryo which develops the optic cup at its extremity; the stalk persists as the optic nerve.
• o. sulcus — see optic groove.
• o. vesicle — the initial evagination from the neural tube which gives rise to the optic cup and the optic stalk.

Dansk (Danish)
adj. - syns-
n. - optik

Nederlands (Dutch)
optisch-, optisch onderdeel, gezichtkundig, (mv) optica

Français (French)
adj. - optique
n. - optique

Deutsch (German)
n. - Auge, Optik
adj. - Seh-

Ελληνική (Greek)
n. - φακός, (καθομ.) μάτι, οφθαλμός
adj. - οπτικός

Italiano (Italian)
ottico, ottica

Português (Portuguese)
n. - olho (m)
adj. - óptico

Русский (Russian)
глаз, оптический

Español (Spanish)
adj. - óptico
n. - ojo, óptica

Svenska (Swedish)
n. - öga
adj. - optisk, syn-

中文（简体）(Chinese (Simplified))
眼睛的, 光学的, 视觉的, 眼睛, 光学, 光学仪器

中文（繁體）(Chinese (Traditional))
adj. - 眼睛的, 光學的, 視覺的
n. - 眼睛, 光學, 光學儀器

한국어 (Korean)
adj. - 눈의, 광학상의
n. - 눈, 술 분량기

日本語 (Japanese)
adj. - 眼の, 視力の, 視覚で方向を知る, 視覚の
n. - 目, 光学機械のレンズ

العربيه (Arabic)
‏(الاسم) العين (صفه) بصري‏

עברית (Hebrew)
adj. - ‮אופטי, של הראייה, של העין‬
n. - ‮עדשה במכשיר אופטי‬

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Fiber Optic	fiber optic
fujitsu optic	Optic Fiber Patch Price