Senses and the Eye Flashcards
visus
sight
auditus
having been heard or listened to
L. mittere, missum (mit-, miss-, mitt-)
to send
opt/o optic/o
eye, vision
-opia, -opsia, -opsis, -opsy
vision, view of
ambiopia, diplopia
double vison
ametropia
error of refraction where images don’t focus properly
stigma, stigmata
point or mark
astigmatism
eye does not focus properly because of uneven curvatures of the cornea
Gr. phos, photos
L. lumen, luminis
light
Gr. skotos
darkness
nyct/o, noct/o
night
scotoma
dark spot in visual field
ophthalm/o, ocul/o
eye
trop/o
turn, change
camer/o
chamber, vault, cavity
aque/o
water, water like
vitr/o, vitreo
glass, glass like
hyal/o
glassy, glass like
retin/o
retina, net
retinoschisis
splitting of the retina of the eye
macul/o
spot
L. cornea, -ae
horn
Gr. keratos
horn, cornea
L. lent/o
lentil, lens
phak/o, phac/o
lentil, lens
Gr. kyklos, cyclos
circle, wheel, ciliary body
L. cilium, -i
eyelash, hair like process
cili/o, ciliar/o
hair like process, eyelash
scler/o
hard
irid/o, ir/o
iris, rainbow
pupill/o
pupil
core/o, -coria
pupil
miotic
agent that constricts the pupil
mydratic
agent that dilates the pupil
mio-, meio-
less, fewer
palbebr/o, blephar/o
eyelid
pteryg/o, -pteryx, pter/o
wing, feather
lacrim/o, dacry/o
teardrop, tear duct, or lacrimal duct
conjunctiv/o
conjunctiva (to bind together)
dacry/o
tear
cycl/o
circle, ciliary body
оcul/o, ophthalm/o, opt/o
eye
presby/o
old age
retin/o
retina
scler/o
hard or sclera
vitre/o
glassy
-opia (suffix)
condition of vision
palpebra
movable, protective fold that opens and closes, covering the eye; also called eyelid
asthenopia
eyestrain (asthenia = weak condition)
blepharospasm
involuntary contraction of the muscles surrounding the eye causing uncontrolled blinking and lid squeezing
diplopia
double vision
exophthalmus
abnormal protrusion of one or both eyeballs
lacrimation
secretion of tears
nystagmus
involuntary, rapid, oscillating movement of the eyeball (nystagmos = a nodding)
photophobia
extreme sensitivity to, and discomfort from, light
scotoma
blind spot in vision (skotos = darkness)
astigmatism
distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina (stigma = point)
hyperopia
farsightedness; difficulty seeing close objects when light rays are focused on a point behind the retina
myopia
nearsightedness; difficulty seeing distant objects when light rays are focused on a point in front of the retina
presbyopia
impaired vision caused by old age or loss of accommodation
accommodation
ability of the eye to adjust focus on near objects
amblyopia
decreased vision in early life because of a functional defect
aphakia
absence of the lens, usually after cataract extraction
blepharitis
inflammation of the eyelid
blepharochalasis
baggy eyelid