India, Jan. 20 -- French President Emmanuel Macron drew attention at the World Economic Forum in Davos after appearing on stage wearing aviator-style sunglasses. The 48-year-old delivered remarks on Monday against the backdrop of fresh tensions with the United States and President Donald Trump.

Earlier in the day, Trump leaked private messages between the two leaders, pushing his claims about acquiring Greenland.

Questions about the sunglasses were quickly linked to a recent eye issue Macron had already addressed publicly. Days before Davos, the French president explained that his visibly swollen and reddened eye was caused by what he described as a 'completely harmless' condition. He first acknowledged the issue during a New Year's add...