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 |