@CNN: A rare eye condition helped Leonardo da Vinci paint distance and depth of objects on flat surfaces with the accuracy which he became famous for, new research claims https://t.co/pME9MJ4o8s https://t.co/n4hghHZpGG

@CNN: A rare eye condition helped Leonardo da Vinci paint distance and depth of objects on flat surfaces with the accuracy which he became famous for, new research claims https://t.co/pME9MJ4o8s https://t.co/n4hghHZpGG