Jupiter waves a wand at a woman looking at herself in a mirror, while a travelling merchant of spectacles and a blind man walk by; allegory of the conscientious use of sight. Engraving by P. de Jode.

Licence: Public Domain Mark

Credit: Jupiter waves a wand at a woman looking at herself in a mirror, while a travelling merchant of spectacles and a blind man walk by; allegory of the conscientious use of sight. Engraving by P. de Jode. Wellcome Collection. Source: Wellcome Collection.