The clinical term is myopia. Most of us know it better when it's called nearsightedness. I've suffered with it for over 55 years. All of my family suffers from it, too. While some people wear glasses for style, those who must wear them to correct their vision usually hate them. According to recent research, our eyesight is getting worse. Doctors predict that half the world's population will suffer from nearsightedness within the next 30 years. And the reason this is happening may surprise you...