Eye Function - Focus

Test yourself on Eye Function - Focus

• A student holds a book very close to their face to read small print. What happens to their ciliary muscles?

• A student looks up to watch a bird flying far away in the sky. What shape does their lens become?

• Which situation requires the lens to curve more?

• Why does focusing on a close object bend light rays more than focusing on a distant object?

• A student looks closely at an insect sitting on their desk. What happens to their suspensory ligaments?