Special Senses: The Eyes and Ears Flashcards
acous/o
acoust/o
hearing or sound
audi/o
audit/o
hearing or sound
ot/o
ear, hearing or sound
myring/o
tympanic membrane, ear drum
-cusis
hearing
ir/i
ir/o
iris
irid/o
irit/o
iris
kerat/o
horny, hard, cornea
-opia
vision condition
opt/i
opt/o
eyes, vision
optic/o
ophthalm/o
eyes, vision
presby/o
old age
retin/o
retina, net
scler/o
sclera, white of eye, hard
anisocoria
condition in which pupils are unequal in size
can be congenital or caused by head injury, aneurysm, or CNS pathology
conjunctivitis
inflammation of the conjunctiva
usually caused by infection or allergy
AKA pinkeye
diplopia
the perception of 2 images of a single object
hemianopia
blindness in one-half of the visual field
hyperopia
AKA farsightedness
defect in which light rays focus beyond the retina
usually occurs after 40
iritis
inflammation of uvea that affects primarily the structures in the front of the eye
most common form of uveitis
sudden onset, may last 6-8 weeks
keratitis
inflammation of the cornea
many causes: bacterial, viral, or fungal infections
mydriasis
dilation of the pupil
opposite of miosis
causes: diseases, trauma, or drugs
myopia
AKA nearsightedness
defect in which light rays focus in front of the retina
most commonly occurs around puberty
nystagmus
involuntary, constant, rhythmic movement of the eyeball
can be congenital or caused by neuronal injury or drug use