All paintings are created optically, but some are more optical than others. In “post-hypnotic,” organized by Barry Blinderman, the works of twenty-eight contemporary painters put the human retina on trial, reminding us that what we see depends on how we see, and that other realms of vision can open out from the unstable act of seeing. Visual slippages, dizzying afterimages, pulsating surfaces, and eye-popping patterns (which lead on occasion to a vertigo-induced nausea) abound here. This is an exhibition that asks, What happens when the viewer loses control of the picture plane?

Looking back as