Upgrade to remove ads
Only $35.99/year

Eye

Terms in this set (43)

Decodes light waves and sends the information to the brain which interprets what is seen
retina
where does light enter
cornea
first part of the pathway
cornea
second part of the pathway
aqueous humor
third part of the pathway
pupil
fourth part of the pathway
lens
fifth part of the pathway
vitreous humor
sixth part of the pathway
retina
six muscles that move the eyeballs
extrinsic muscles
thin membranes of the eyelid
conjunctiva
seventh part of the pathway
optic nerve
the outermost layer of the eyeball; made of connective tissue
cornea
last part of the pathway
brain
gland that secretes tears
lacrimal gland
innermost layer of the eyeball; contains photoreceptors
retina
color part of the eye
iris
nerve receptors of black and white shades
rods
region where the retina connects with the optic never
optic disc
white portion of the eye that has blood vessel to nourish the cornea
sclera
an adjustable circular opening that regulates the amount of light entering the eye
pupil
the thin watery liquid that provides nourishment to the lens and cornea
aqueous humor
protects the eyes and allows for sleep
eyelid
allow for reflexive blinking
eyelashes
keep sweat and moisture from getting into eyes
eyebrows
secretes moisture into tear ducts to wash away foreign particles
lachrymal glands
chamber that occupies 80% of the eyeball
vitreous chamber
photoreceptors in the retina that detect color
cones
pink eye, highly infectious, inflammation of the conjunctiva, eye becomes red, irritated and burning feeling, sometimes puss. ATB drops/ointment are used to treat
conjunctivitis
a distortion of sight caused by abnormal shaped cornea/lens
astigmatism
farsightedness
hyperopia
nearsightedness
myopia
loss of close vision due to inability to focus and accommodate
presbyopia
eyes tire/pain around the eye, headache, dimness of vision. can occur when focusing on an object 8-12 inches away for long periods of time.
asthenopia
double vision related to disease or eye injury
diplopia
light sensitivity. can be result of disease
photophobia
high pressures in the eye. treated with medication/ surgery not treated/blindness
glaucoma
a disease of the eye where the lens of the eye becomes opaque
cataracts
low vision/breakdown of the macular tissue/loss of sensual vision/most common cause of vision loss in the us
macular degeneration
function of coronary arteries
carry oxygenated blood throughout the myocardium
profusion of the left coronary artery
leaves the aorta and divides between the left anterior descending and the right circumflex
function of the right coronary artery
supplies blood to the lateral wall of the right ventricle
profusion of the right coronary artery
extends from the aorta to the posterior suface of the heart
a heart attack caused by a coronary artery being suddenly blocked or really low blood flow
myocardial infarction
Other sets by this creator