The Human Eye and Vision
Explore the anatomy and physiology of the human eye and the process of vision at a Grade 12 level.
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The Human Eye and Vision
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the human eye when necessary.
1. Which part of the eye is responsible for focusing light onto the retina?
Cornea
Iris
Lens
Pupil
2. Rods and cones are types of photoreceptor cells found in the:
Optic nerve
Retina
Sclera
Choroid
Observe the diagram of the human eye below and answer the questions that follow.
3. Label the following parts on the diagram above:
a. Cornea
b. Lens
c. Retina
d. Optic Nerve
4. The is the transparent outer layer of the eye that helps to focus light.
5. The muscles of the control the size of the pupil, regulating the amount of light entering the eye.
6. Cones are responsible for vision in dim light and detecting motion.
True
False
7. The fovea is a region of the retina responsible for sharp, detailed central vision.
True
False
8. Describe the process of accommodation in the human eye.