Light and Sound

Rods are light sensitive cells in the retina that

• give you color vision in dim light

• respond in dim light

• give you color vision in bright light

• respond in bright light

The iris in a human can be

• brown

• green

• blue

• all of the above

The cornea

• helps protect the eye

• begins bending light to make an image

• both of the above

• none of the above

The pupil is located at the center of the

• sclera

• iris

• retina

• nothing

The blind spot is created by the

• retina

• optic nerve leaving the eye through the retina

• nothing; we don't have one

What part of the eye is this?

• cornea
• lens
• iris
• cilicary body

What part of the eye is this?

• retina
• optic nerve
• fovea centralis
• choroid

What part of the eye is this?

• choroid 
• sclera 
• cornea
• retina

Upside down images are formed on the ____________ at the back of the eyeball.

• cornea
• iris
• retina
• pupil

In bright light, the pupil _________.

• gets bigger
• gets smaller