Eye Anatomy Functions Flashcards
pupil
space where light enters the retina
iris
changes size of pupil and determines amount of light let in (aperture); colored part of the eye
sclera
white of the eye, outer coating of eyeball
cornea
focuses light on retina; transparent membrane
aqueous humor
supplies nutrition and maintains pressure
optic nerve
transmits sensory information to brain
optic disc
point of entry for optic nerve; blind spot
vitreous humor
jelly-like substance inside of the eye, provides structure
lens
focuses light onto retina; elastic
ciliary body
controls the shape of the lens; produces aqueous humor
macula lutea (fovea centralis)
small area responsible for center of vision; gives detail and color to vision