the eyes and ears

eyes

opt/i, opt/o, optic/o, ophthalm/o

iris

ir/i, ir/o, irid/o, irit/o

lens

phac/o, phak/o

retina

retin/o

lacrimal

dacryocyst/o, lacrim/o

ears

acous/o, acoust/o, audi/o, audit/o, ot/o

outer ear

pinn/i

middle ear

myring/o, tympan/o

inner ear

labyrinth/o

blephar/o

eyelid

-cusis

hearing

irid/o

iris, colored part of eye

kerat/o

horny, hard, cornea

myring/o

tympanic membrane, eardrum

ophthalm/o

eye, vision

-opia

vision condition

opt/o

eye, vision

ot/o

ear, hearing

presby/o

old age

scler/o

sclera, white of eye, hard

trop/o

turn, change

tympan/o

tympanic membrane, eardrum

audi/o, audit/o

hearing

conjunctiv/o

conjunctiva

dipl/o

double

labyrinth/o

inner ear

presby/o

old age

trop/o

turn change

tympan/o

eardrum, tympanic, membrane

eso-

inward

exo-

outward

intra-

within

accommodation

ability of the eye to change focus from distant to near

cerumen

earwax

Depth perception

the ability to see objects in three dimensions

Dilate

make the opening of the pupil large

Equilibrium

the state of balance

Lacrimation

secretion of tears

prosthesis

artificial substitute for a disease or missing body part

Ptosis

drooping of the upper eyelid

Snellen chart

Eye-test chart

Tinnitus

ringing or buzzing sound in the ears

Visual acuity

the ability to identify letters and numbers at a distance

AD/AS/AU

right ear/left ear/both ears

OD/OS/OU

right eye/left eye/both eyes

Tars/o

eyelid

Orbit/o

bony socket