Photo critic Lyle Rexer examines what images leave unseen.

If a picture says a thousand words, Lyle Rexer is interested in the next thousand words the photo refuses to disclose. Rexer’s The Edge of Vision: The Rise of Abstraction in Photography looks at abstraction from the very first photographers (who could not define what a photograph “should look like”) to modern practitioners who harness digital media and mass production.