Eyes Flashcards
Palpebral fissure
opening between the eyelids (slit)
bulbar conjunctiva
mucous membrane that covers the anterior eyeball (on the bulb itself)
limbus
where the conjunctiva meets the cornea
palpebral conjunctiva
mucous membrane that lines the eyelids (on the eye lid)
adnexa
surrounding structure of the eye (not the eye ball)
globe
eyeball
iris
colored part of the eye
lacrimal gland
makes tears sweep across the eye (located lateral and superior to the upper eye lid)
passageway of tears
inferior canaliculus common canaliculus nasolacrimal sac nasolacrimal duct inferior meatus inferior concha
cornea
clear structure the is in the front of the globe
-responsible for the refracting of light (gross)
conjuctiva
layer of epithelial cells straddles globe on either side anteriorly
pupil
hole in which light passes through to the retina
lens
responsible for the refracting of light (fine tune)
ciliary body
muscle that controls stretching of lens according to amoutn of light entering the eye
zonular fibers
connect ciliary body to lens
posterior chamber
behind iris but in front of the zonular fibers
three layers of the globe
schlera-fiborous CT layer-structure
choroid-vascular layer-nutrients waste
retina-rods and cones-visual
optic disc
where all optic fibers from the retina collect
optic nerve
carries nerve impulses from the eye to the brain
canal of schlem
where aqueous humor exits the eye
glaucoma
increased intraocular pressure
-can be caused by obstruction of canal of schlem
macula
highest concentration of your visual receptors
fovea centralis
where there is the most acute vision
ipsilateral side
same side