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CHAPTER 11
EYES & EARS
| Question | Answer |
|---|---|
| adexa of the eyes | adnexa oculi; structures outside of the eyeball, and these include orbit, eye muscles, eyelids, eyelashes, conjunctiva, and lacrimal apparatus |
| orbit | eye socket; bony cavity of the skull that contains and protects the eyeball and it associated muscles, blood vessels, and nerves |
| eye muscles | arranged in 3 pairs are attach to each eye |
| canthus | the angle where the upper and lower eyelids meet |
| tarsus | tarsal plat; framework w/in the upper and lower eyelids that provides the necessary stiffness and shape |
| conjunctiva | transparent mucous membrane that lines the underside of each eyelid and continues to form a protective covering over the exposed surface of the eyeball |
| lacrimal apparatus | tear apparatus; structures that produce, store and remove tears |
| lacrimal glands | secrete lacrimal fluid (tears) are located on the underside of the upper eyelid just above the outer corner of each eye |
| lacrimal fluid | consists of a duct at the inner corner of each eye |
| lacrimal canal | tear sac |
| lacrimal duct | nasolacrimal duct; passageway that drains the excess tears into nose |
| optic | pertaining to the eye or sight |
| ocular | pertaining to the eye |
| extraocular | outside the eyeball |
| intraocular | inside the eyeball |
| sclera | white of the eye; maintains the shape of the eye |
| choroid | the opaque middle layer of the eyeball that contains many blood vessels and provides the blood supply for the entire eye |
| retina | sensitive innermost layer that lines the posterior segment of the eye |
| anterior segment | makes up the front 1/3 of the eyeball |
| anterior chamber | located behind the cornea and in front of the iris |
| aquenous fluid | watery |
| amblyopia | dimness of vision or the partial loss of sight, especially in one eye, without detectable disease of the eye |
| ametropia | any error of refraction in which images do not focus properly on the retina |
| anisocoria | pupils are unequal in size |
| astigmatism | eye doesn't focus properly because of uneven curvatures of the cornea |
| barotrauma | pressure-related ear discomfort that can be caused by pressure changes when flying, driving in the mountains, scuba diving or when eustachian tube is blocked |
| blepharoptosis | ptosis; drooping of the upper eyelid that is due to paralysis |
| cataract | loss of transparency of the lens that causes a progressive loss of visual clarity |
| chalazion | internal stye; localized swelling inside the eyelid resulting the obstruction a sebaceous gland |
| cochlear implant | an implanted electronic device that can give a deaf person a useful auditory understanding of the environment and/or hearing and help them to understand speech |
| conjunctivitis | pink eye inflammation of the conjunctiva that is usually caused by an infection or allergy |
| dacryoadenitis | inflammation of the lacrimal gland that can be caused by a bacterial, viral, fungal infection |
| diplopia | double vision |
| ectropion | the eversion of the edge of an eyelid |
| emmetropia | normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina |
| entropion | the inversion of the edge of an eyelid |
| esotropia | cross eye |
| eustachitis | inflammation of the eustachian tube |
| exotropia | walleye |
| fluorescein angiography | radiography study of the blood vessels in the retina of the eye following the intravenous injection of a fluorescein dye as a contrast me-dium |
| glaucoma | a group of disease characterized by increased inraocular pressure that cause damage to the retinal nerve fibers and the optic nerve |
| hemianopia | blindness in one-half of the visual field |
| hordeolum | stye; a pus filled lesion on the eyelid resulting from an infection in a sebaceous gland |
| hyperopia | farsightedness; a defect in which light rays focus beyond the retina |
| infectious myringitis | contagious inflammation that causes painful blisters on the eardrum |
| iridectomy | surgical removal of a portion of the tissue of the iris |
| iritis | inflammation of the iris |
| keratitis | inflammation of the cornea |
| labyrinthectomy | surgical incision between two of the fluid chambers of the labyrinth to allow the pressure to equalize |
| laser trabeculoplasty | used to treat open-angle glaucoma by creating openings in the trabecular meshwork to allow fluid to drain properly |
| mastoidectomy | surgical removal of mastoid cells |
| myopia | nearsightedness; a defect in which light rays focus beyond th retina |
| myringtotomy | surgical incision in the eardrum to create an opening for the placement of tympanostomy tubes |
| nyctalopia | night blindness |
| nystagmus | involuntary constant rhythmic movement of the eyeball that can be congenital or caused by neurological injury or drug use |
| ophthalmoscopy | funduscopy; visual examination of the fundus (back part) of the eye with an ophthalmoscope |
| optometrist | Doctor of Optometry degree and specializes in measuring the accurancy of vision to determine whether corrective lenses are needed |
| otitis media | inflammation of the middle ear |
| otomycosis | swimmer's ear |
| otopyorrhea | flow of pus from the ear |
| otorrhagia | bleeding from the ear |
| otosclerosis | the ankylosis of the bones of the middle ear; resulting conductive hearing loss |
| papilledema | choked disk; swelling and inflammation of the optic nerve at the point of entrance into the eye through the optic disk |
| periorbital edema | swelling surrounding the eye or eyes |
| presbycusis | gradual loss of sensorineural hearing that occurs as the body ages |
| presbyopia | condition of common changes in the eyes that occur with aging |
| pterygium | benign growth on the cornea that can become large enough to distort vision |
| radial keratotomy | surgical procedure to treat myopia (cornea) |
| retinopexy | used to reattach the reattached area in a retinal detachment |
| scleritis | inflammation of the sclera |
| stapedectomy | surgical removal of the top portion of the stapes bone and the insertion of a small prosthetic device known as a piston that conducts sound vibrations to the inner ear |
| strabismus | cross-eyed or wall-eyed, is a condition in which the eyes are not properly aligned with each other |
| tarsorrhaphy | the partial or complete suturing together of the upper and lower eyelids |
| tinnitus | ringing in the ears, is the sensation of hearing ringing, buzzing, hissing, chirping, whistling, or other sounds |
| tonometry | measures the pressure inside your eye, which is called intraocular pressure (IOP). |
| tympanometry | surgical correction of a damaged middle ear either to cure chronic inflammation or to restore function |
| tympanostomy tubes | pediatric ear tubes |
| vertigo | sense of whirling, dizziness, and the loss of balance that is combined with nausea and vomiting |
| vitrectomy | removal of the vitreous fluid and its replacement with a clear solution |
| xerophhthalmia | dry eye |
Created by:
kc1769