Term
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Definition
| the adapation of the eye for near vision by increasing the curvature of the lens |
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Term
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Definition
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Term
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Definition
| gray-white arc or circle around the limbus of the iris that is common with aging |
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Term
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Definition
| pupil doesn't react to light and it doesn't constrict with accomodation |
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Term
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Definition
| refractive error of vision due to differences in curvature in refractive surfaces of the eye (cornea and lens) |
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Term
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Definition
| crossing paths of an artery and a vein in the ocular fundus |
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Term
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Definition
| loss of both temporal fields |
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Term
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Definition
| inflammation of the glands and eyelash follicles along hte margin of the eyelids |
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Term
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Definition
| opacity of the lens of the ye that develops slowly with aging and gradually obstructs vision |
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Term
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Definition
| infection or retention cyst of a meibomian gland, showing a beady nodule on the eyelid |
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Term
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Definition
| "pinkeye" infection of the conjunctiva |
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Term
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Definition
| abnormal soft exudates visible gray-white areas on the ocular fundus |
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Term
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Definition
| ratio width of the physiologic cup to the width of the optic disc, normally half or less |
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Term
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Definition
| unit of the strength of the lens settings on the ophthalmoscope that changes focus on the eye structures |
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Term
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Definition
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Term
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Definition
| benign deposits on the ocular fundus that show as round yellow dots and occur commonly with aging |
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Term
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Definition
| loose lower eyelid rolling inward |
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Term
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Definition
| lower eyelid going inward |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| area of the keenest vision at the center of the macula of the ocular fundus |
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Term
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Definition
| group of eye diseases characterized by intraocular pressure |
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Term
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Definition
| "stye" red, painful pustule that is a localized infection of hair follicle on the margin |
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Term
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Definition
| abnormal white rim of sclera visible between the upper eyelid and the iris when one looks down |
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Term
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Definition
| round darker area of the ocular fundus that mediates vision only from the central visual field |
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Term
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Definition
| abnormal finding of red dots in the ocular fundus that are localized dilations of blood vessels |
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Term
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Definition
| constricted and fixd pupils |
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Term
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Definition
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Term
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Definition
| involuntary, rapid, rhythmic eye movements |
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Term
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Definition
| "nearsighted", refractive error where one can see nearsighted better than farsighted |
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Term
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Definition
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Term
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Definition
| pallor of the disk due to partial or complete death of optic nerve |
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Term
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Definition
| are of the fundus where blood vessels exit and enter |
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Term
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Definition
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Term
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Definition
| stasis of blood flow out of the ocular fundus; sign on increased intraocular pressure |
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Term
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Definition
| decrease in power of accomodation that occurd with aging |
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Term
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Definition
| triangular opaque tissue on the nasal side of the conjunctiva that grows toward the center of the cornea |
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Term
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Definition
| dropping of upper eyelid over the iris and possibly covering the pupil |
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Term
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Definition
| red glow that appears to fill the person's pupil when first visualized through the opthalmoscope |
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Term
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Definition
| squity, crossed eye disparity of the eye axes |
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Term
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Definition
| soft, raised yellow plaque occuring on the skin at the inner corners of the eye |
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Term
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Definition
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Term
| the four straight (rectus) extraocular muscles |
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Definition
| superior, inferior, medial, and lateral |
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Term
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Definition
| two oblique muscles (slanting) |
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Term
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Definition
| eyes are parallel when they move |
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Term
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Definition
| extraocular muscles are stimulated by cranial nerves |
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Term
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Definition
| corneal blink reflex is stimulated by cranial |
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Term
| cranial 6 (abducens nerve) |
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Definition
| innervates lateral rectus muscles |
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Term
| Cranial 4 (trochlear nerve) |
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Definition
| innervates superior oblique |
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Term
| Cranial 3 (oculomotor nerve) |
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Definition
| innervates medial rectus, inferior oblique, superior rectus, and inferior rectus |
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Term
| sclera, choroid, and retina |
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Definition
| 3 concentric coats of the internal eye |
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Term
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Definition
| pupils constrict when light is on them |
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Term
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Definition
| reflex direction of the eye toward an object attracting a person's attention |
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Term
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Definition
| the pupil of the aging adult loses elasticity and becomes |
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Term
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Definition
| this is common with myopia |
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Term
| acute narrow angle glaucoma |
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Definition
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Term
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Definition
| blind spot that occurs with glaucoma |
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Term
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Definition
| this occurs from vitamin a deficiency, optic atrophy, and glaucoma |
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