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Chapter 5 Med Terms
Medical Terminology of The Eye
| Term | Definition |
|---|---|
| anterior chamber | fluid-filled space between the cornea and the iris |
| cornea | transparent, anterior part of the eyeball covering the iris, pupil, and anterior chamber that functions to retract light to focus a visual image |
| eyelid | movable, protective fold that opens and closes, covering the eye |
| iris | colored circle, colored part of the eye located behind the cornea that contracts and dilates to regulate light passing through the pupil |
| tarsal glands | oil glands located along the rim of the eyelids |
| lacrimal glands | gland located in the upper outer region above the eyeball that secretes tears |
| lacrimal ducts | tubes that carry tears to the lacrimal sac |
| optic nerve | nerve responsible for carrying impulses for the sense of sight from the retina to the brain |
| asthenopia | eyestrain |
| diplopia | double vision |
| photophobia | extreme sensitivity to and discomfort from light |
| accomodation | ability of the eye to adjust focus on near objects |
| myopia | nearsightedness; difficulty seeing distant objects when light rays are focused on a point in front of the retina |
| hyperopia | farsightedness; difficulty seeing close objects when light rays are focused on a point in front of the retina |
| cataract | opaque clouding of the lens causing decreased vision |
| keratitis | inflammation of the cornea |
| iritis | inflammation of the iris |
| ophthalmoscopy | use of an ophthalmoscope to view the interior of the eye |
| blepharoplasty | surgical repair of an eyelid |
| intraocular lens | implantation of an artificial lens to replace a defective natural lens |
| contact lens | small, plastic, curved disk with optical correction that fits over the cornea; used to correct refractive errors |
| eye irrigation | washing of the eye with water or other fluid |
| mydriatic | agent that causes dilation of the pupil; used for certain eye examinations |
| miotic | agent that causes the pupil to contract |
| gt | drop |
| IOL | intraocular lens |
| LASIK | laser-assisted in situ keratomileusis |
| sonography | use of high frequency sound waves to detect pathology within the eye |
| slit lamp biomicroscopy | combination of a microscope and a narrow beam of light used to examine the eye, especially the cornea, lens, fluids, and membranes |
| esotropia | right or left eye deviates inward, toward nose |
| exotropia | right or left eye deviates outward, away from nose |
| trichiasis | misdirected eyelashes that rub on the conjunctiva or cornea |
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baileyoo
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