Which measure will prevent the majority of human blindness in developing countries?

Question

Quizplus · Accepted Answer

Administration of Vitamin A capsules has been shown to prevent the majority of cases of blindness in developing countries, particularly in children. Vitamin A deficiency is a leading cause of preventable blindness in these areas. Immunizing shots can prevent other diseases that can cause blindness, but it does not specifically address the issue of vitamin A deficiency. Administration of iodine can prevent iodine deficiency disorders, but it does not address the issue of vitamin A deficiency. Administration of sugar and salt dissolved in a glass of water has no known benefit in preventing blindness.

Which Measure Will Prevent the Majority of Human Blindness in Developing