Question

what is myopia..............
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Answer 1

When a person can't see the near object clearly then that disease is called myopia .

Answer 2

HERE IS YOUR ANSWER. . . .

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Myopia (also called nearsightedness) is the most common cause of impaired vision in people under age 40 — and in recent years, its prevalence is growing at an alarming rate.

A few decades ago, only about a quarter of Americans had myopia. Today, more than 40 percent of the U.S. population is nearsighted.

Globally, research suggests that back in 2000, roughly 25 percent of the world's population was nearsighted — but by the year 2050, it's expected that roughly half the people on the planet will be myopic.