17 Sense Organa: Eye/Ear Pathology Flashcards
astigmatism
defective curvature of the cornea or lens of the eye
hyperopia (hypermetropia)
farsightedness, see far
myopia
nearsightedness
presbyopia
impairment of vision as a result of old age
cataract
clouding of the lens, causing decreased vision
chalazion
small, hard, cystic mass (granuloma) on the eyelid - chronic inflammation of a sebaceous gland
diabetic retinopathy
retinal effects of diabetes mellitusinclude microaneurysms, hemorrhages, dilation of retinal veins, and neovascularization
glaucoma
increased intraocular pressure results in damage to the retina and optic nerve with loss of vision
hordeolum (stye or sty)
localized, purulent, inflammatory staphylococcal infection of a sebaceous gland in the eyelid
macular degeneration
progressive damage to the macula of the retina
nystagmus
repetitive rhythmic movements of one or both eyes - brain tumors or inner ear disease can cause
retinal detachment
two layers of the retina separate from each other, , stress or trauma are two big causes “floaters” “falling curtain”
strabismus
abnormal deviation of the eye; esotropia, exotropia, hyper/otropia
enucleation
removal of entire eyeball
keratoplasty
surgical repair of the cornea