A woman, head and shoulders, viewed from the front; her eyelids are uneven. Photograph by L. Haase after H.W. Berend, 1863. https://www.rawpixel.com/image/14001452/image-face-person-artFree Image from public domain licenseA woman's head and shoulders, her right eyelid is heavier than her left. Photograph by L. Haase after H.W. Berend, 1865. https://www.rawpixel.com/image/13996965/image-face-person-artFree Image from public domain licenseA woman sitting down, her right eyelid is heavier than her left. Photograph by L. Haase after H.W. Berend, 1865. https://www.rawpixel.com/image/14005364/image-face-person-artFree Image from public domain licenseForceps used for the trichiasis or inversion of the eyelids. https://www.rawpixel.com/image/14011345/forceps-used-for-the-trichiasis-inversion-the-eyelidsFree Image from public domain licenseA man, head and shoulders; his left eyelid is heavy and his right eye is raised. Photograph by L. Haase after H.W. Berend… https://www.rawpixel.com/image/14011346/photo-image-face-person-eyeFree Image from public domain licenseA woman, head and shoulders, viewed from the front; her eyelids are uneven. Photograph by L. Haase after H.W. Berend, 1863. https://www.rawpixel.com/image/14005319/image-face-person-artFree Image from public domain license