The Human Eye: Structure and Function

The Human Eye: Structure and Function

Read each question carefully and provide your best answer. Some questions may refer to the diagram of the human eye provided.

1. Which part of the eye is responsible for focusing light onto the retina?

2. Rods and cones are photoreceptors found in which part of the eye?

3. The opening in the center of the iris that controls the amount of light entering the eye is called the  .

4. The   is the transparent outer layer of the eye that helps to refract light.

5. The   is a jelly-like substance that fills the space between the lens and the retina.

6. Describe the function of the optic nerve in the process of vision.

7. Explain the difference between rods and cones in terms of their function.

8. The iris controls the size of the pupil.

9. Myopia is another name for farsightedness.

Match the part of the eye with its primary function.