CHAPTER 14: the special senses of sight and hearing Flashcards
blephar/o
eyelid
conjunctiv/o
to bind together, conjunctiva
dacry/o
tear
ir/o
iris
ocul/o
eye
ophthalm/o
eye
opt/o
eye
ot/o
ear
retin/o
nose
scler/o
hard, sclera
asthen/o
weakness
cor/o
pupil
leuk/o
white
-opia
condition of vison
asthenopia
symptom of eye weakness commonly referred to as “eye strain” usually resulting from reading without frequent breaks
blepharoptosis
eyelid droops over the eye abnormally
blepharitis
inflammation of the eyelid can be repaired with blepharoplasty
leukocoria
the abnormal appearance of white film in the pupil, sign of disease
opthalmalgia
eye pain
ophthalmorrhagia
abnormal discharge of the eye in this case blood
kerat/o
hard, cornea
presby/o
old age
stigmat/o
point
amblyopia
lazy eye, common cause of vision loss in children, occurs when the nerve pathway from one eye fails to develop
strabisums
one or both eyes are crossed
cataract
the transparency of the lens of the eye is reduced
conjunctivitis
conjunctiva is a thin membrane that covers the anterior exposed part of the eye and the inner eyelid. May become inflamed when exposed to bacteria or viruses or injury
dacryolithiasis
lacrimal apparatus is a tear-forming gland with associated tubes and chambers, mainly located near the medial side of each eyeball. The presence of rocky particles in the apparatus that leads to inflammation
detached retina
occurs when the retina tears away fro the choroid layer of the eye causing blindness, can be caused by severe blow to the head, high blood pressure or old age
diplopia
double vision may result from weakened extrinsic eye muscles, defects in the lens, or a condition of the brain
hordeolum
a meibomian gland is a small gland in the eyelid that secretes lubricating fluid onto the conjunctiva. An infection of this gland produces a local swelling of the eyelid known as a hordeolum. chronic form is called chalazion greek word for STY