Unit 5 Lt 3 Flashcards
Fibrous Layer (Outermost)
Contains the sclera (white part of eye) and the cornea (transparent)
Vascular layer (middle)
Contains the choroid, blood vessels, iris, and lens
Inner layer
Contains the retina and optic nerve
Aqueous Humor
Fluid between the cornea and the lens
Cornea
Transparent outer circle on the anterior portion of the eye
Iris
Colored ring of tissue that contains muscle that adjusts the size of the pupil
Lens
Focuses light onto the retina
Pupil
Black hole in the center of the iris
Optic nerve (disc)
bundle of nerve fibers that carry information from the retina to the brain
Retina
light-sensitive layer of tissue containing photoreceptor cells
Sclera
The white outer layer of the eye
Vitreous humor
jelly-like fluid that fills the inside of the eye from the lens to the retina
Light passing
Cornea
Aqueous humor
Iris/Pupil
Lens
Vitreous humor
Retina
Rods
detect objects in dim light (night vision)
black and white
Cones
Detect object in bright light (night day vision)