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lang. of medicine
| Question | Answer |
|---|---|
| accomodation | normal adjust of eye to focus far to near |
| anteroir chamber | area behind the cornea and in front of the lens and iris. contains aqueous humor |
| aqueous humor | fluid produced by ciliary body and found in the anterior chamber |
| choroid | middle,vasculayer of the eye between the retina & sclera |
| cornea | fibrous transparent layer of clear tissue over eyeball. |
| fovea centralis | tiny pit or depression in the retina that is the region of clearest vision |
| iris | colored layer that opens and closes to allow more or less light into the eyes. |
| lens | transparent, bioconvex body behind the pupil of eye. it bends to let light rays to bring them into focus on retina |
| macula | yellowish region on the retina lateral to and slighlty below the optic disc |
| optic disc | region at back of the eye where the optic nerve meets the retina, blind spot of the eye |
| auditory canal | channel that leads from the pinna to the eardrum |
| auditory meatus | auditory canal |
| auricle | flap of the ear |
| cerumen | ear wax |
| elistachian tube | auditory tube |
| incus | second ossicle of middle ear |
| labyrinth | maze like series of canals of the inner ear. includes vestibule and semicircular canals |
| malleus | first bone of middle ear |
| ossicle | small bone of the ear |
| pinna | auricle or flap of the ear |
| stapes | third ossicle of the middle ear |
| tympanic membrane | membrane between the otter and middle ear ( ear drum ) |
| audiometry | testing the sense of hearing |
| otoscopy | visual examination of the ear with a otoscope |
| otitis media | inflammation of the middle ear |
| otosclerosis | hardening to the boney tissue of the ear |
| tinnitus | sensation of noises, ringing, buzzing, whistling, booming in the ears |
| vertigo | sensation of irregular or whirling motion either of oneself or of external objects |
| astigmatism | defective curvature of the cornea or lens of the eye |
| hyperopia or hpyermetropia | farsighted |
| myopia | nearsighted |
| presbyopia | impairment of vision from old age |
| strabismus | abnormal devation of the eye |
| opthalmoscopy | cisual exmaination of the interior of the eyes |
| visual acuity test | clarity of vision is assessed |
| kerato plasty | surgical repair of the cornea |
| optic nerve | cranial nerve carrying impulses from the retina to the brain ( cebral cortex) |
| pupil | central opening of the eye, surrounded by iris, light passes through, it appears dark |
| refraction | bending of light rays by the cornea lens and fluids to the eyes to bring the rays into focus on retina |
| sclera | tough white outer coat of the eyeball |
| vitreous humor | soft jelly like material behind the lens in the vitreous chamber, helps maintain the shape of the eye ball |
| aque/o | water |
| biephar/o | eye lid |
| corne/o or kerat/o | cornea |
| dacry/o | tear duct |
| lacrim/o | tears |
| ocul/o | eye |
| opthalm/o | eye |
| pulpill/o | pupil |
| retin/o | retina |
| scler/o | sclera or white of eye |
| ambly/o | dull or dim |
| dipl/o | double |
| glauc/o | gray |
| nyct/o | night |
| phot/o | light |
| presby/p | old age |
| xer/o | dry |
| acous/o | hearing |
| audi/o | hearing |
| audit/o | hearing |
| myring/o | eardrum |
| ot/o | ear |
| aur/o or auricul/o | ear |
| cochle/o | cochlea |
| mastoid/o | mastoid process |
| ossicul/o | occicle |
| salping/o | elistachian or auditory tube |
| staped/o | stapes or third bone of the middle ear |
| tympan/o | ear drum |
| vestibul/o | vestibule |
| -acusis or -cusis | hearing |
| -meter | instrument to measure |
| -otia | ear condition |
| -opia or opsia | vision |
| -tropia | to turn |