Art: Fun-Fair Illusions

The show of visual games and illusions that opened last week at Boston's Museum of Fine Arts may not be the most profound art exhibition in recent years, but it is among the most exotic and diverting. It is called "Anamorphoses." The word comes from the Greek roots for "shape" and "again," and it applies to images or patterns that look illegible, mere scrawls and smears, until reconstituted—either by looking at them side-on or by glimpsing their reflections in a specially placed cylindrical, conic or pyramidal mirror. The organizers, two young Dutch artist-scholars...