hyperopia
what is far sightedness
astigmatism
abnormal shape of the cornea
three parts of the ear
outer ear, middle ear, and inner ear
auditory canal obstruction
anything in the ear canal that in some manner occludes the opening
ocul/o, opthalm/o, opt
eyes
what is the function of cones and rods?
cones - colorful sharp vision
rods - dim peripheral vision
gradual opacity of the lens of the eye
what is a cataract
what is a videonystagmography?
a test used to evaluate balance and coordination
otitis media
infection of the middle ear often associated with respiratory disease
phac/o, phak/o
lens
what is the medical term for the blind spot?
what is the optic disc
inflammation of the eyelids
what is blepharitis
what is the eustachian tube responsible for?
equalizing air pressure in the middle ear with the outside atmospheric pressure
presbycusis
"senile deafness", hearing loss due to aging
glauc/o
silver, grey
what is the function of the cornea?
transparent film, covers the pupil, iris and lens. touch and pain receptors
entropian and ectropian
eyelid goes in, and eyelid goes out
what are the two functions of the inner ear?
transmits vibrations to the auditory nerve so we can hear, and the semicircular canals help us maintain balance
Menieres disease
what is nausea, vomitting, tinnitus and hearing loss
tear sac
what is dacryocyst
what is the canal of schlemm and what is its function?
a small hole that helps maintain homeostasis of the eye
AMD
age related macular degeneration, causes you to lose your central vision. affects the macula in the retina
the function of the organ of corti
in the cochlea of the inner ear, its an acoustic apparatus
otosclerosis
progressive deafness caused by the fixation of the stapes of the middle ear
tropi/o, tropi/a
to turn