Another myth bites the dust perhaps..

Oxford mathematician challenges long-standing claim about Parthenon optical corrections

In his paper, titled “The illusion of illusions: There are no optical corrections in the Parthenon,” Goriely traces the origins of the optical-correction explanation to the Roman architect and engineer Vitruvius, who wrote about Greek architecture centuries after the Parthenon was built. The explanation was subsequently repeated in architectural texts and became widely accepted.

Oh well, it was fun while it lasted...