Contact lenses: from practical to trendy?

With an estimated 700 million people in China affected by nearsightedness, contact lenses have shifted from mere vision correction to a fashion essential. Eyeglasses are out, today's trendsetters are embracing sleek, comfortable, and even vibrantly colored lenses that blend function with flair. / Is their a best time of day to drink your daily cup of coffee (17:06)? On the show: Heyang, Steve Hatherly & Yushun