3. A nearsighted person cannot see distant objects clearly without corrective lenses because of defects of the lens of the eye. Yet, such a person can see distant objects more clearly through a pinhole. Considering that meorsightedness in many ways is like the spherical aberration mentioned on page 537, think about how pinholes form images to explain how focus is possible with a pinhole in front of the nearsighted eye. If you happen to be nearsighted, try it without your glasses and see