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Ch 6 Sensory
| Term | Definition |
|---|---|
| sclera | white parts of the eye |
| cornea | clear surface in the middle of the eye |
| choroid layer | includes lens, iris, and cilliary muscles |
| lens | bends the light rays |
| iris | colored area, controls size of the pupil |
| blephar | eye lid |
| vitre | vitreous liquid helps focus |
| phac or phak | lens Greek for lentils |
| outer ear | pinna, ear canal and tympanic membrane |
| middle ear | incus, malleus, and stapes |
| tympanic membrane or myring | ear drum |
| salping rhinosalpingitis | ear infection between the throat and middle ear |
| cochlea | bone shell filled with fluid and hair to transfer sound waves to electrical signals |
| vestibular system | maintains balance in the inner ear |
| mastoid | bone protruding behind the ear |
| akinetopsia | unable to detect motion |
| ambiopia or diplopia | double vision |
| amblyopia | decreased or dull vision or lazy eye |
| astenopia | weak vision or eye strain |
| hemianopsia | loss in half of field of vision |
| myopia | near sightedness |
| hyperopia | far sightedness |
| presbyopia | old age far sightedness |
| scotopia | adjustment to see in the dark |
| conjunctiva | thin invisible membrane between eye and eye lid |
| lacrim or dacry | tear drops |
| corne or kerat | clear middle part of the eye; protects lens and helps focus light |
| cerumen | ear wax |
| labyrinth | inner ear system includes vestibular and colchlea |
| blepharoplegia | paralysis of eyelid |
| blepharospasm | twitch of eyelid |
| dacryoadenalgia | pain of the tear duct gland |
| dacryocystalgia | pain in the tear sac |
| dacryorrhea | watery eyes |
| xerophtalmia | dry eyes |
| ophthalomoplegia | eye paralysis |
| astigmatism | inability of light rays to focus on a single point in the back of the eye |
| keratalgia | cornea pain |
| cycloplegia | paralysis of cilliary body muscles |
| miosis | abnormal contraction of the pupil |
| mydriasis | abnormal dilation of the pupil |
| scotoma | blind spot or dark spot in field of vision |
| hyperacusis | excessive sensitive hearing |
| osteoacusis | hearing through bone (how you hear your own voice) |
| presbycusis | hearing loss due to old age |
| otalgia | ear pain |
| otorrhea | excessive discharge from the ear |
| opthalmoscope | instrument to look at the eye |
| optomyometer | instrument to measure the strength of the eye muscles |
| phacoscope | instrument to look at the eyes |
| tonometer | measures pressure in the eye or tension or intraocular pressure |
| binocular | pertaining to two eyes |
| lacrimation | tear formation |
| optometrist | specialist in measuring the eye |
| blepharadema | swelling of the eye lid |
| blepharoptopsis | drooping of the eye lid |
| blephopyrrhea | pus discharge from eye lid |
| ectropion | outward turning of the eye lid |
| entropion | inward turning of the eye lid |
| dacryolith | hard stone formation in tear system |
| dacropyorrhea | pus discharge in tears |
| exopthalamus | protrusion of the eye |
| nystagmus | involuntary movement of the eye back and forth (Chuck flashing) |
| strabismus | eyes deviate when looking at the same object Squint |
| esotropia | eye turning inward (cross eyed) |
| exotropia | eye turning outward (spread eye) |
| keratomalacia or scleromalacia | softening of the cornea or sclera |
| pterygium | winglike growth of conjunctival tissue extending into the cornea |
| papilledema | swelling at the optic nerve |
| phacomalacia | abnormal softening of the lens |
| phacosclerosis | abnormal hardening of the lens |
| audiogram | record produced by an instrument (audiometer) |
| salpingoscope | instrument for looking at the Eustachian tubes |
| pneumatic otoscopy | procedure for examining the ear using air |
| aural | pertaining to the ear |
| otorhinolaryngologist | specialist in ear nose and throat |
| otosteal | pertaining to the bones of the ear |
| salpingopharyngeal | pertaining to the Eustachian tubes and throat |
| ceruminosis | excessive ear wax formation |
| macotia | abnormally large ears |
| microtia | abnormally small ears |
| otopyorrhea | discharge of pus from the ears |
| otosclerosis | hearing loss from hardening of the bones in the middle ear |
| tympanic perforation | tear or puncture of the ear drum |
| blepharoconjunctivitis | inflammation of the conjuntiva and eyelid |
| dacryocystitis | inflammation of the tear sac (cys) |
| dacryoadentitis | inflammation of the tear gland |
| dacryohemorrhea | discharge of blood in tears |
| dacryostenosis | narrowing of the tear duct |
| glaucoma | vision loss due to damage to the optic nerve |
| opthalmomycosis | fungal eye condition |
| opthalmatrophy | atrophy (wasting) of the eye |
| trichiasis | eye lashes (hair)growing backward and touching the eye |
| opthalomomytis | inflammation of the eye muscles |
| conjunitvitis | pink eye |
| sclerokeratoiritis | inflammation of the sclera, cornea, iris |
| sclerectasia | over expansion of the sclera |
| aniridiria | absence of iris |
| aphakia | absence of the lens |
| cataract | cloudiness of the lens |
| cyclokeratitis | inflammation of the cilliaray body and cornea |
| endophthalamitis | inflammation of the inner eye (intraoccular) |
| iridocyclitis | inflammation of the iris plus ciliary body |
| iridopathy | disease of the eye |
| phakitis | inflammation of the lens |
| retinosis | condition of the retina |
| mastoiditis | inflammation of the mastoid |
| otitis externa | inflammation of the outer ear |
| otomycosis | fungal ear condition |
| aerotitis | inflammation of the middle ear caused by air |
| myringitis | inflammation of the ear drum |
| myringodermatitis | inflammation of the ear drum plus surrounding skin |
| myringomycosis | fungal ear drum |
| rhinosalpingtis | nasal and Eustachian tubes |
| acoustic neuroma | tumor of acoustic nerve |
| cochleitis | inflammation of the cochlea |
| conductive hearing loss | sound not getting to the middle ear |
| sensorineural hearing loss | sound not transmitted from inner ear to the brain due to sensory organs or nerves |
| otosclerosis | hearing loss from hardening of the ears of the bones in the middle ear |
| iridotomy | incision into the iris |
| phacoemulsification | fragmentation of the existing lens in order to remove it and replace it |
| miotic | drug causes contraction of the pupil |
| mydriatic | drug causes dilation of the pupil |
| intravitreal antibiotics | delivered into the vitreous gel liquid |
| eunucleation or opthalmectomy | removal of the eye |
| cycloplegic | paralyzes ciliary body |
| cyclotomy | incision into the ciliary body |
| retinopexy | surgical fixation of retina (reattachment) |
| mastoidcentesis | puncture of the mastoid bone |
| tympanocentesis | puncture of the eardrum |
| myringectomy | removal of the ear drum |
| tympanostomy | create a hole in the ear drum |
| A R M D | age related macular dengeneration |
| L A S I K | laser-assisted in situ keratomileusis |
| O D | right eye (from Latin—oculus dexter) |
| O S | left eye (from Latin—oculus sinister) |
| PERRLA | pupils are equal, round, and reactive to light and accommodation |
| AOM | acute otitis media middle ear infection |