UPDATE 4-Luxottica and Essilor agree 46 bln euro merger to create eyewear giant

MILAN/PARIS, Jan 16 (Reuters) - Italy's Luxottica and France's Essilor have agreed a 46 billion euro ($49 billion) merger to create a global powerhouse in the eyewear industry with annual revenue of more than 15 billion euros, they said in a statement on Monday.