A farsighted person ___.

Which cells distinguish between black, white and shades of gray?

What lenses should a farsighted person use to correct their vision?

What lenses should a nearsighted person use to correct their vision?

What type of lens do we have in our eyes?

Light enters the eye through this transparent front surface, it protects the eye from dust and acts as a lens bending the light.

This is a ring of muscle that contracts and expands to change and control the amount of light that enters the eye.

The part of the eye that looks black. It is actually a hole, covered by the clear cornea.

The layer of cells lining the inside of the eyeball. This layer contains the light sensitive cells.

The signals generated by the rods and cones travel to your brain along this short, thick nerve.

What colors of light do the cones detect?

What type of image does the convex lens in your eye create on your retina?

If a real image forms on the retina why don't we see the world upside down?

What do you call the spot where there is a lack of cones and rods, where the optic nerve begins at the back of the eye?