Chapter 14 Spelling words Flashcards
acoustic
relating to sound or the sense of hearing
tympanotomy
- surgical incision into the eardrum to relieve pressure
- also called a myringotomy
- tubes in the ear to aid in: avoiding a potential spontaneous rupture of the tympanic membrane, relieve pain, restore hearing, improve speech problems and learning deficits, equalize pressure in the middle ear
- tubes are removed after the middle ear heals
ambiopia
-double vision caused by each eye focusing separately
-also known as diplopia
ambi/o=both sides -opia=visual condition
amblyopia
-reduced vision that is not correctable with lenses and with no obvious pathological or structural cause
-dullness or dimness of vision
ambly/o=dull, dim -opia=visual condition
anisocoria
inequality in the diameter of the pupils of eyes
aniso=unequal cor/o=pupil -ia=condition
aphakia
-without a lens in the eye
a=without, not phak/o=lens -ia=condition
aqueous
watery
aque/o=water -ous=pertaining to
Argyll-Robertson pupil
- a pupil that constricts upon accommodation but not in response to light
- can be due to miosis or advanced neurosyphilis
blepharochalasis
-relaxation of the skin of the eyelid, usually upper eyelid where skin may droop over the edge of the eyelid when the eyes are open
blephar/o-eyelid
blepharoptosis
-drooping of the upper eyelid
-it is the result of a weakened muscle
-usually only one eye but may be both
-may be caused by an underlying disease
blephar/o=eyelid -ptosis=drooping or prolapse
conjunctivitis
-inflammation of the conjunctiva of the eye
-may be bacterial infection, a viral infection, allergy, or environmental
conjunctiv/o=conjuntiva -itis=inflammation
cycloplegia
-paralysis of the ciliary muscle
cycl/o=ciliary body -plegia=paralysis
dacryoadenitis
inflammation of the lacrimal gland
dacry/o=tears aden/o=gland -itis=inflammation
dacryorrhea
excessive flow of tears
dacry/o=tears -rrhea=discharge, flow
diplopia
-double vision caused by each eye focusing separately
-ambiopia
di-double -opia=vision
ectropion
- eversion (turning outward) of the edge of the eyelid
- causes exposure of the eyelid and eyeball surface and lining
- tears are unable to flow into the tear ducts and go down the face instead
- exposure and dryness leads to irritation
- frequently affects older populations
- causes: weakened muscle, facial nerve paralysis and eyelid tissue atrophy
emmetropia
- a state of normal vision
- eye is at rest and the image is focused directly on the retina
entropion
- inversion (turning inward) of the edge of the eyelid
- -may result in damage to the cornea
- occurs in older populations
- cause:development of loose fibrous tissue in the lower eyelid, resulting in extreme tightening of the eyelid muscle
episcleritis
-inflammation of the outermost layers of the sclera
epi=upon scler/o=sclera of eye -itis=inflammation
esotropia
-an obvious inward of one eye in relation to the other eye
-also called crosseyes
eso=within -tropia=to turn
extraocular
pertaining to the outside of the eye
extra=outside, beyond ocul/o=eye -ar=pertaining to
funduscopy
-the examination of the fundus of the eye, the deepest part or base, w/ an ophthalmoscope through a procedure called a ophthalmoscopy
hemianopia
-loss of vision, or blindness, in 1/2 of the visual field
hemi=half an=without =opia=visual condition
hemianopsia
-hemianopia
hemi=half an=without =opsia=visual condition