After centuries being studied, some researchers to link the elusive smile to unbalanced skills of different areas of our visual field.
As the recently discovered La Bella Principessa not only attributed to Leonardo da Vinci shows similar effect, more evidence is brought to light that this was tested and intentional at the work, as Alessandro Soranzo and Michelle Newberry’s “The uncatchable smile in Leonardo da Vinci’s La Bella Principessa portrait” argues.
How long until you have a sfumato illusion filter in your phone’s camera?