Eyes and Vision

Which part of the eye is the iris (the colored part of the eye)?

• A

• B

• C

• D

• E

Which part of the eye is the retina (the back layer of the eye)?

• A

• B

• C

• D

• E

A person with brown eyes has brown _____________.

• Lenses

• Pupils

• Retinas

• Irises

Some animals have an extra layer of cells called a ___________ the reflects like a mirror, allowing them to see in the dark.

• Lens

• Cornea

• Tapetum

• Pupil

Because its eyes work together to produce an image of the same object, we say that a dog has ____________ vision.

• Binocular

• Monocular

Animals whose eyes can move in two directions at once have ____________ vision

• Binocular

• Monocular

Which part of the eye is the pupil (the opening of the eye)?

• B

• C

• D

• E

• None of the above.

The function of the human eye is to _______.

• focus light rays to produce images of objects

• capture sound waves and convert them to images

• capture electrical energy and transform it to brain waves

• capture light waves and convert them to mechanical energy

Which part of the eye is labeled A?

• lens

• retina

• cornea

• optic nerve

The ____________ connects the eyes to the brain

• retina

• cornea

• optic nerve

• pupil