Answer the following question given this paragraph: 

Nearsightedness, or myopia, is the condition in which nearby objects are seen clearly, but distant objects appear blurry. The eyeball is longer than normal, focusing images front of the retina. Concave lenses can correct the problem.


Q: What type of lenses can correct myopia?

 Choices:

- polarized lenses

- diffusion lenses

- convex lenses

- concave lenses

A:
concave lenses
