Chapter 17 Test Flashcards
defective curvature of the cornea or lens of the eye
astigmatism
farsightedness
hyperopia
nearsightedness
myopia
impairment of vision as a result of old age
presbyopia
clouding of the lens, causing decreased vision
cataract
small, hard, cystic mass on the eyelid
chalazion
retinal effects of diabetes mellitus include microaneurysms, hemorrhages, dilation of retinal veins, and neovascularization
diabetic retinopathy
increased intraocular pressure result in damage to the retina and optic nerve with loss of vision
glaucoma
localized, purulent, inflammatory staphylococcal infection of a sebaceous oil-producing gland in the eyelid
hordeolum
progressive damage to the macula of the retina
macular degeneration
repetitive rhythmic movements of one or both eyes
nystagmus
two layers of the retina separate from each other
retinal detachment
abnormal deviation of the eye
strabismus
IV injection of flourescein followed by serial photographs of the retina through dilated pupils
flourescein angiography
visual exam of the interior of the eye
ophthalmoscopy
exam of anterior ocular structures under microscopic magnification
slit lamp microscopy
clarity of vision is assessed
visual acuity test
measurement of the entire scope of vision
visual field test
removal of the entire eyeball
enucleation
surgical repair of the cornea
keratoplasty
intense, precisely focused light bean created an inflammatory reaction that seals retinal tears and leaky retinal blood vessels
laser photocoagulation
use of an excimer laser to correct errors of refraction
LASIK
suture of a silicone band to the sclera over a detached portion of the retina
scleral buckle
removal of the vitreous humor
vitrectomy
channel that leads from the pinna to the eardrum
auditory canal
auditory canal
auditory meatus
carry impulses from the inner ear to the brain
auditory nerve fibers