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The Eye [results]

Questions about parts of the eye and what they are used for.

Do you know everything about your eye? Take this short test to find out.

My name is:

Your first name
is usually enough.

What is the job of the LENS ?

Carry the nerve impulses to the brain.

Focus the light on to the retina.

Refract the light entering the eye.

What is 'Eye Accommodation' ?

By changing the shape of the lens to focus light.

By focusing the light to change the shape of the lens.

Wearing glasses to help you see.

What kind of lenses would you need if you were short-sighted?

Concave lens

Convex lens

Content lens

What is the job of the OPTIVE NERVE ?

Focus the light onto the retina.

Control how much light enters the eye.

Carry the nerve impulses to the brain.

As you get older, what happens to your eye's lens?

They loose flexibility.

They gain flexibility.

The fall out.

As you get older, what happens to your eye's lens?

They loose flexibility.

They gain flexibility.

The fall out.

What is meant by 'Binocular Vision' ?

Having two eyes which work together.

Having one eye.

Having three eyes which work separately.

What is the job of the IRIS ?

Controls how much light enters the eye.

Refracts the light entering the eye.

Carry nerve impulses to the brain.

What happens to the shape of the Iris when it's really bright?

It gets smaller.

It gets larger.

It stays the same.

Why is it important for the Iris to do this in bright light? (Referring to Question 9)

To damage the eye

To prevent damage to the eye

So you can see better.