Understanding Vision and the Need for Glasses

What part of the eye is primarily responsible for detecting light?

• The lens

• The pupil

• The cornea

• The retina

What happens to light in a nearsighted eye?

• It doesn't focus at all

• It focuses directly on the retina

• It focuses behind the retina

• It focuses in front of the retina

How do glasses help people who are nearsighted?

• They shorten the eyeball

• They make the pupil larger

• They change the color of the light

• They focus light directly on the retina

In a farsighted eye, where does the light focus?

• Directly on the retina

• On the cornea

• Behind the retina

• In front of the retina

Why might someone who is farsighted hold a book farther away to read?

• To reduce glare from the page

• To allow light to focus on the retina

• To improve color perception

• To make the text appear larger