The Commerce of Vision

When Ralph Waldo Emerson wrote in 1837 that "Our Age is Ocular," he offered a succinct assessment of antebellum America's cultural, commercial, and physiological preoccupation with sight. In the early nineteenth century, the American city's visual culture was manifest in pamphlets, newspapers, painting exhibitions, and spectacular entertainments; businesses promoted their wares to consumers on the move with broadsides, posters, and signboards; and advances in ophthalmological sciences linked the