Myopia Can Be Corrected with Artificial Lenses or Surgery and Is

Multiple Choice

Myopia can be corrected with artificial lenses or surgery and is generally regarded as a benign disorder. However, as myopia is also associated with more severe conditions such as cataracts and glaucoma, a change in the prevalence of myopia (proportion of the population with myopia) may be a public health concern. The graph shows the change in the prevalence of myopia in three major ethnic groups in Singapore at three points in time.
Source: Adapted from Morgan, I.G., Ohno-Matsui, K., and Saw, S. M. (2012) . Myopia. Lancet, 379: 1739-1748.
-What anatomical changes do you expect to accompany the change in prevalence of myopia?

A) a greater proportion of the population with longer-than-normal eyeballs
B) a greater proportion of the population with difficulty focusing on close objects
C) a greater proportion of the population with misshapen corneas
D) a greater proportion of the population with abnormally high pressure in their eyes