Contact lens subscription service Sightbox sold to health giant Johnson & Johnson for an undisclosed amount but will remain as a brand in Portland. The startup was backed by investors including Rogue Venture Partners and Portland Seed Fund. While the terms weren't disclosed, both investors described the transaction as positive. "From the start, we knew Sightbox was onto something substantial," said Tom Sperry, managing director of Rogue Venture Partners, in a written statement. "The team's...