| eye-closure pupil reaction | A constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision. Synonym: Galassi's pupillary phenomenon, Gifford's reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon. (05 Mar 2000) |
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| eye-closure reflex | General term for reflex closure of eyelids caused by any stimulus. Synonym: eye-closure reflex. (05 Mar 2000) |
| eye-ear plane | A standard craniometric reference plane passing through the right and left porion and the left orbitale; drawn on the profile radiograph or photograph from the superior margin of the acoustic meatus to the orbitale. Synonym: auriculo-infraorbital plane, eye-ear plane, Frankfort horizontal plane, Frankfort plane, infraorbitomeatal plane. (05 Mar 2000) |
| eyeball | The eye proper without the appendages. Synonym: bulbus oculi, bulb of eye, globe of eye. (05 Mar 2000) |
| eyeball compression reflex | Slowing of the heart rate due to the vagal effects of compressing an eyeball. Synonym: eyeball compression reflex. (05 Mar 2000) |
| eyeball-heart reflex | Slowing of the heart rate due to the vagal effects of compressing an eyeball. Synonym: eyeball compression reflex. (05 Mar 2000) |
| eyebright | <botany> A small annual plant (Euphrasia officinalis), formerly much used as a remedy for diseases of the eye. Source: Websters Dictionary (01 Mar 1998) |
| eyebrow | The crescentic line of hairs at the superior edge of the orbit. Synonym: supercilium. (05 Mar 2000) |
| eyeglass | 1. A lens of glass to assist the sight. Eyeglasses are used singly or in pairs. 2. Eyepiece of a telescope, microscope, etc. 3. The retina. 4. A glass eyecup. See Eyecup. Source: Websters Dictionary (01 Mar 1998) |
| eyeglasses | A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which eye protective devices is available. (12 Dec 1998) |
| eyegrounds | The fundus of the eye as seen with the ophthalmoscope. (05 Mar 2000) |
| eyelash | One of the stiff hairs projecting from the margin of the eyelid. Synonym: cilium. (05 Mar 2000) |
| eyelash sign | <clinical sign> In a case of apparent unconsciousness due to functional disease, such as conversion hysteria, stroking the eyelashes will occasion movement of the lids, but no such reflex will occur in case of severe organic brain lesion such as apoplexy, fracture of the skull, or other traumatism. (05 Mar 2000) |
| eyelid | <anatomy> The cover of the eye; that portion of movable skin with which an animal covers or uncovers the eyeball at pleasure. Source: Websters Dictionary (01 Mar 1998) |
| eyepiece | <microscopy> The lens system used in an optical instrument for magnification of the image formed by the objective. (05 Aug 1998) |
| medial angle of eye | The angle formed by the union of the upper and lower eyelids medially. Synonym: angulus oculi medialis, angulus oculi nasalis, internal canthus, medial canthus. (05 Mar 2000) |
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| vitreous chamber of eye | The large space between the lens and the retina; it is filled with the vitreous body. Synonym: camera vitrea bulbi, vitreous camera, vitreous chamber of eye. (05 Mar 2000) |
| goggle-eye | <zoology> One of two or more species of American fresh water fishes of the family Centrarchidae, especially. Chaenobryttus antistius, of Lake Michigan and adjacent waters, and Ambloplites rupestris, of the Great Lakes and Mississippi Valley; so called from their prominent eyes. The goggler. Source: Websters Dictionary (01 Mar 1998) |
| golden-eye | <zoology> A duck (Glaucionetta clangula), found in Northern Europe, Asia, and America. The American variety (var. Americana) is larger. Called whistler, garrot, gowdy, pied widgeon, whiteside, curre, and doucker. Barrow's golden-eye of America (G. Islandica) is less common. Source: Websters Dictionary (01 Mar 1998) |
| chemical eye injuries | <ophthalmology> There are basically two types of chemical eye injury: acids and bases, with the latter being more severe. Alkali injury to the eye results in a penetrating injury known as liquefaction necrosis. Acid injury results in coagulation necrosis. Both injuries require immediate copious eye irrigation with water in addition to medical attention. (05 Jan 1998) |
| meridians of eye | Lines surrounding the surface of the eyeball passing through both anterior and posterior poles. Synonym: meridiani bulbi oculi. (05 Mar 2000) |
| phakic eye | An eye containing the natural lens. (05 Mar 2000) |
| choroid veins of eye | Several veins (usually four) from the vascular tunic formed of veins accompanying the posterior ciliary arteries and the ciliary body; then drain into the superior or inferior ophthalmic vein. Synonym: venae vorticosae, venae choroideae oculi, choroid veins of eye, Stensen's veins, vasa vorticosa, vorticose veins. (05 Mar 2000) |
| photopic eye | An eye that has been exposed to light, with bleaching of rhodopsin (visual purple) and insensitivity to low illumination. Synonym: photopic eye. (05 Mar 2000) |
| wall-eye | 1. An eye in which the iris is of a very light gray or whitish colour; said usually of horses. Jonson has defined wall-eye to be "a disease in the crystalline humor of the eye; glaucoma." But glaucoma is not a disease of the crystalline humor, nor is wall-eye a disease at all, but merely a natural blemish. In the north of England, as Brockett states, persons are said to be wall-eyed when the white of the eye is very large and distorted, or on one side. 2. <zoology> An American fresh water food fish (Stizostedion vitreum) having large and prominent eyes; called also glasseye, pike perch, yellow pike, and wall-eyed perch. A California surf fish (Holconotus argenteus). The alewife; called also wall-eyed herring. See: Wall-eyed. Source: Websters Dictionary (01 Mar 1998) |
| pigment epithelium of eye | Epithelium in the retina, ciliary body, and iris containing pigment granules. (12 Dec 1998) |
| pineal eye | A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. Synonym: epiphysial eye, parietal eye. (05 Mar 2000) |
| watery eye | 1. <medicine> The watery eye; a disease in which the tears accumulate in the eye, and trickle over the cheek. 2. The emphatic repetition of a word or phrase, at the end of several sentences or stanzas. Origin: L, fr. Gr, fr. To bring to or upon; + to bring. Source: Websters Dictionary (01 Mar 1998) |
| web eye | <medicine> See Web. Source: Websters Dictionary (01 Mar 1998) Previous: Weber's syndrome, Weber's test for hearing, Weber's triangle, Weber, WilhelmNext: web eye, webfoot, webform, web of fingers/toes, webster, websteriteweb eye pterygium |
| moon-eye | 1. A eye affected by the moon; also, a disease in the eye of a horse. 2. <zoology> Any species of American fresh water fishes of the genus Hyodon, especially. H. Tergisus of the Great Lakes and adjacent waters. The cisco. Source: Websters Dictionary (01 Mar 1998) |