Comm Eye Health Vol. 30 No. 100 2018 pp 107. Published online 07 February 2018.
Quizzes

Picture Quiz

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The chart below shows the number of blind people per million population for the world, and different regions, between 1990 and 2015.

Screen Shot 2018-01-19 at 10.34.14
1. What two trends are shown in the figure?

Question 1 of 4

2. What is the ratio of blindness in 2015 between sub-Saharan African countries and high-income countries?

Question 2 of 4

3. Why do low-income countries have more blindness per million population than high-income countries?

Question 3 of 4

4. Why might you expect high-income countries to have more blindness per million population than low-income countries?

Question 4 of 4