eye med terms
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42 terms
Terms | Definitions |
|---|---|
 aqueous humor | watery liquid that fills anterior and posterior chambers (provides nutrients) |
| choroid | under sclera provides nourishment to outer part of retina |
| ciliary body | muscle behind peripheral iris controls lens |
| conjunctiva | joins eyelid and outer surface of eyeball |
| cornea | transparent covering iris, pupil and anterior chamber (focus visual image) |
| lacrimal gland | upper outer region above eyeball secreting tears |
| lacrimal duct | carry tears to lacrimal sac |
| macula lutea | central vision |
| nasolacrimal duct | terse from lacrimal sac to nose |
| macula lutea | central vision |
| nasolacrimal duct | tears from lacrimal sac to nose |
| retina | innermost layer perceives and transmits light to optic nerve |
| pupil | black circular open in in iris, light passes as it enters the eye |
| sclera | fibrous while coating, extends from cornea to optic nerve |
| vitreous | jelly-like mass filling the inner chamber between lens and retina |
| asthenopia | eye strain |
| blepharospasm | involuntary contraction of muscles surrounding eye |
| diplopia | double vision |
| exophthalmos | abnormal protrusion of eyeball |
| lacrimation | secretion of tears |
| nystagmus | involuntary oscillating movement of eyeballs |
| photophobia | extreme sensitivity to light |
| scotoma | blind spot in vision |
| hyperopia | farsightedness |
| myopia | nearsightedness |
| presbyopia | impaired vision from old age |
| ptosis | drooping of eyelid usually form paralysis |
| chalazion | inflammation of nodular inflammation |
| cataract | opaque clouding of the lens decrease vision |
| conjunctivitis | pink eye, inflammation of conjunctiva |
| glaucoma | increased intra-occular pressure |
| hordeolum | sty-infection of sebaceous gland |
| keratitis | inflammation of cornea |
| macular degeneration | breakdown of tissues in macula results in partial or complete loss of central vision |
| retinal detachment | separation of resting from underlying epithelium results in blindness |
| retinitis | inflammation of the retina |
| scleritis | inflammation of sclera |
| trichiasis | misdirected eyelash rubs into cornea |
| Lasik | reshapes surface of cornea |
| IOL | implant artificial lens to replace defective natural lens |
| mydriatic | agent that dilates pupil |
| miotic | agent that causes pupil to contract |
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