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Astigmatism
Defect in the curvature of the eyeball
myringotomy
surgical incision into the tympanic membrane to relieve pressure and purulent exudate form middle ear
miotics
chemical agent that causes pupil to constrict
Hyperopia
farsighted
Tinnitus
ringing in the ears
Labyrinthitis
inflammation of the labyrinthian canals of the inner ear
Audiometry
Diagnostic test to determine degree and type of hearing loss
keratoplasty
used to correct myopia/ Lasix
Glaucoma
1. increased IOP due to obstruction of outflow of aqueous humor
2. optic nerve atrophy
3. progressive loss of peripheral vision
Snellen test
test visual acuity
keratitis
inflammation of the cornea
mastoiditis
infection of one of the mastoid bones
vertigo
sensation of spinning/ dizziness
refraction
eye is able to bend light rays so that the rays fall onto the retina
myopia
nearsighted
Diabetic retinopathy
progressive changes in the microcirculation of the retina- hemorrhages, scar tissue, retinal detachment
Enucleation
surgical removal of an eyeball
retinal detachment
separation of the retina from the choroid in the posterior area
Cataract
crystalline opacity/ clouding of the lens
Conjunctivitis
Inflammation of the conjunctiva
mydriatics
causes the pupil to dilate
Strabismus
inability of the eyes to focus in the same direction/ cross-eyed
Macular degeneration
loss of central vision
stapedectomy
removing the stapes of the middle ear
vitrectomy
removal of excess fluid in the vitreous humor