The Eye Revision

The focal length of the eye lens increases when eye muscles:

• are relaxed and lens becomes thinner

• contract and lens becomes thicker

• are relaxed and lens becomes thicker

• contract and lens becomes thinner

carries messages from the eye to the brain

• lens

• vitreous humor

• retina

• optic nerve

Why does your pupil increase in size when you enter a dark room?

• To protect the eye
• to allow more light to enter the  eye
• to allow less light to enter the eye
• to look like a  pirate

Which part of the eye is the place where images are focused?

• Retina

• Cornea

• Lens

• Iris

Which of the following is the correct order in which light travels through the eye?

• Cornea, Lens, Retina, Pupil

• Pupil, Cornea, Lens, Retina

• Cornea, Retina, Lens, Pupil

• Cornea, Pupil, Lens, Retina

Which behavior of light occurs as it passes through the cornea and the lens?

• absorption

• scattering

• reflection

• refraction

The layer of the eye that provides nourishment to the eye

• sclera

• retina

• choroid

• cornea

What is this?

• Ciliary Body
• Suspensory Ligaments
• Sclera
• Choroid

These are the structures in the eye that perceive color

• Rods

• Cones

• Blind Spot

• Pupil

In high light levels, which of the following occurs?

• Circular muscles contract

• Circular muscles relax

• Radial muscles contract

• Radial muscles relax