Myopia Can Be Corrected with Artificial Lenses or Surgery and Is

question 9

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.
-Public health scientists conclude that the change in myopia prevalence is a result of environmental and not genetic factors. Does the graph support this conclusion?

• A) Yes. All ethnic groups have similar rapid increases in myopia prevalence over time.
• B) Yes. All ethnic groups have similar rapid decreases in myopia prevalence over time.
• C) No. Only some ethnic groups increased in myopia prevalence over time.
• D) No. Some ethnic groups decreased in myopia prevalence over time.

---

Definitions:

Contemporary Messages

Modern day communications or themes that reflect current cultural, social, or political realities.

Shahzia Sikander

A contemporary artist known for her work in miniature painting, a traditional South Asian art form, which she has redefined and brought into dialogue with contemporary practices.

Tilted Arc

A controversial public art installation by Richard Serra, installed in New York City in 1981 and removed in 1989, known for its large curved steel form.

Jacob K. Javits Federal Building

A federal office building located in New York City, named after U.S. Senator Jacob K. Javits and known for its modernist architecture.