The Eye

This structure regulates the amount of light entering the eye

• Optic Fluid

• pupil

• iris

• cornea

This clear portion of the sclera that is the first place light is refracted as it enters the eye.

• iris

• optic lens

• cornea

• retina

The white portion of the eye is the...

• ciliary body

• gray hair on the head of an elderly person, like Mr. Regalado's gray hair

• sclera

• cornea

The innermost layer of the eye, containing the photoreceptors (rod and cone cells)

• sclera

• cornea

• optic nerve

• retina

The colored part of the eye, determined by genetics

• pupil

• ciliary body

• optic fluid

• iris

Which smooth muscle, attaches to the lens and helps manuver it so that the lens refracts the image onto the retina?

• ciliary body

• sclera

• iris

• retina

Located on the retina and detects color

• Rod cells

• semi cells

• cone cell

• optic disk

Which lens below is used to correct nearsightedness?

• convex

• macro divergant polymer lens

• biorefractical polymer lens

• concave

Which answer below list all the parts of the eye in the order which light enter the eye.

• cornea, iris/pupil, optical lens, optical fluid, fovea, rods/cone cells (on the retina)

• cornea, optical fluid, iris/pupil, optical lens, optical fluid again, fovea, rods/cone (on the retina).

• iris, cornea, optical fluid, rods/cones, fovea

• cornea, iris/pupil, retina sclera, convex lens, cones/rods cells (on the brain)

Where does the energy required by the rod and cone cells, comes from?

• from the electromagnetic energy in light waves

• from the chemicals in the optic fluid that gives the eye its round shape.

• from the oxygen one breathes

• from the red blood cells that travel through the retina's blood vessels

• from the electricity generated by eye movements

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