Sense Organs

The hole in the eye through which light rays pass:

• cornea

• iris

• pupil

• conjunctiva

The pigmented part of the eye:

• cornea

• iris

• pupil

• conjunctiva

The white fibrous outer layer of the eyeball:

• choroid

• sclera

• retina

• cornea

• conjunctiva

Which part keeps too much light from entering the eye? Select all correct answers.

• eyelids

• iris

• pupil

• conjunctiva

• cornea

Sensory receptors that convert light into a signal that passes along the optic nerve and travels to the brain?

• retina

• macula

• fovea centralis

• rods and cones

• vitreous humor

The jelly-like substance that give the eyeball its shape:

• vitreous humor

• aqueous humor

• choroid

• sclera

• retina

The muscle that adjusts shape of the lens:

• macula

• ciliary body

• pupil

• iris

• retina

Which is NOT considered part of the uvea of the eye?

• sclera

• iris

• choroid

• ciliary body

Condition known as pink eye:

• blepharitis

• chalazeon

• corneal abbraision

• conjunctivitis

Condition where too much fluid builds up in the anterior chamber of the eye:

• conjunctivitis

• hordeolum

• glaucoma

• diabetic retinopathy

• macular degeneration