Terrence O'Brien is the Verge’s weekend editor. He has over 18 years of experience, including 10 years as managing editor at Engadget. Apple isn’t just looking to take on Meta in the smart glasses market; it’s looking to upend eyewear as a whole, according to Bloomberg’s Mark Gurman. When the Apple Watch launched, it wasn’t simply competing against the Pebbles and the Motorolas of the world. The company also had Swatch, Fossil, and Seiko in its crosshairs. Similarly, Apple’s smart glasses will be positioned not just against Meta and Samsung, but against Oakley, Ray-Ban, and Warby Parker in the $200-$500 range. Apple Watch generates an estimated $17 billion annually, but eyewear is a potentially even bigger prize. Where the watch market is worth an estimated $132 billion , according to Mordor Intelligence, eyewear is estimated to generate between $180 and $200 billion annually.…