This is how large a nanometer is in comparison to a meter.

This is the definition of color.

This can also be referred to as the "projector" of the inner eye.

Amy was shopping with her friend and commented on a shirt. She said it was a beautiful orange color. Her friend corrected her and said that the shirt was actually red. This is the name of the condition Amy has.

This is Miss Williamson's favorite place to eat

This is the amount of waves that can fit into a single unit of space.

This is what includes waves of all sizes, including the visible light spectrum.

These are receptor cells that allow people to distinguish between light and dark.

This is a disorder that results from an inflamed optic nerve.

Which has a higher frequency? Green light or X rays?

This is a characteristic of light that states that the incoming angle of light is equal and opposite to the angle as it bounces off of a surface.

This is the size range of light waves we can see in nanometers.

These TWO portions of the inner eye work together to keep the lens in place and change the shape of the lens to focus.

This is the disorder that Johnny has considering when he looks at things it's almost like he has "double vision".

These TWO body systems work together to provide the body with a steady supply of oxygen.

This refers to the light waves that you do NOT see when you look at an object.

Of the visible spectrum, this color has the lowest energy.

This is found around the eye as another method of protection, but is not exactly part of the eye. It can be found all over the body.

This is the reason the blind spot is blind.

Jordan was taking a vision test at school in science class. His teacher told him that he had 20/50 vision. This is what it means to have 20/50 vision (be specific).

This is what distorts light because it is traveling through a denser medium.

If we see this, it means that all light waves have been absorbed.

This is what you irritate when you rub your eyes and they get red.

This is the reason why after staring at a green, yellow, and black flag, you can see an "after image" of a red, white and blue flag (Be specific)

When Miss Williamson left the school yesterday, she turned off the lights, closed all the shades to her room, and blocked the window in the door. There was NO external lighting that could enter the classroom. If you stowed away in the classroom after it was locked up, would you be able to see Miss Williamson's fish?