More cards in this set

What shape is a diverging (concave) lens?

When the image is formed where the light rays appear to come from the image is called.....

What is the coloured ring of muscle that controls the amount of light entering the eye?

What is the cornea?

The ciliary muscles are attached to the eye lens by what?

What is the unit for the power of a lens?

What carries nerve impulses from the retina to the brain?

What type of lens helps someone that is short sighted?

A non-spherical eyeball is called what?

If images are formed behind the eyeball the person is......