Myopia, or the need for corrected vision to focus or see objects at a distance, has become a lot more common in recent decades. Some even consider myopia, also known as nearsightedness, an epidemic.

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Zoe Thomas: Welcome to Tech News Briefing. It's Thursday, August 31st. I'm Zoe ...

President Xi Jinping recently described myopia as an epidemic affecting China's younger generations. There are now an estimated 720 million Chinese citizens with uncorrected poor vision, according to ...