A Persian surgeon performing an eye operation on a man held by two other men. Painting, ca. 1900. https://www.rawpixel.com/image/13964581/image-cartoon-face-personFree Image from public domain licenseA barber cuts a man's face while shaving him; a second barber cuts a cross-eyed boy's hair; a third lathers the face of… https://www.rawpixel.com/image/13964178/image-dog-cat-cartoonFree Image from public domain licenseA school medical officer trying to give a child an eye-test in front of a classroom of children. Wood engraving by F.H.… https://www.rawpixel.com/image/14003593/image-paper-cartoon-faceFree Image from public domain license