Special Senses: the Eyes and Ears Flashcards
opt/o
eye(s) or vision
optic/o
eye(s) or vision
ocul/o
eye(s) or vision
ophthalm/o
eye(s) or vision
corne/o, kerat/o
cornea (transparent, outer layer of eye, maintains shape and protects the inner portion)
cor/o, pupill/o
pupil (black circular portion of eye, allows light to enter eye)
ir/o
iris (colored portion of the eye, surrounds the pupil)
retin/o
retina (converts images into electrical impulses, transmits images to the brain)
blephar/o
eyelid (protects the eye from foreign matter, excessive light, an impact
conjunctiv/o
conjunctiva (mucous membrane lining of the eyelid and sclera) also called pink eye
scler/o
sclera (white of the eye)
dacry/o
tear, tear duct
cataract
the clouding of the lens of the eye
glaucoma
the loss of peripheral vision, “tunnel vision”
strabismus
crossing of the eyes, “lazy eye”, disorder in which eyes can not be directed toward the same object
astigmatism
unequal curvature of the cornea, causes eye to not focus properly
hyperopia
vision condition, “farsightedness”, most common after the age of 40
myopia
vision condition, “nearsightedness”, most commonly detected in school-age children
diplopia
double vision (dipl/o = two, double)
monochromatism
color blindness (mono = one, chromat/o = color)
nyctalopia
“night blindness” nyctal/o = night
cryoretinopexy
cry/o=cold, -pexy=surgical fixation of the retina by using extreme cold (carbon dioxide)
photophobia
phot/o=light, -phobia=fear of, abnormal fear or sensitivity to light
ophthalmoplegia
-plegia=paralysis, paralysis of the eye muscle
