Keywords: Kuhne Rabbit optogram.jpg en An optogram an image on the retina of a rabbit using an alum solution to fix the rhodopsin in the eye like a photographic negative The image is a window the rabbit was facing before it was killed and dissected The image was produced in 1878 by the German physiologist Wilhelm Friedrich Kühne 1878 http //www college-optometrists org/en/knowledge-centre/museyeum/online_exhibitions/eye/optography cfm The College of Optometrists Wilhelm Friedrich Kühne March 28 1837 “ June 10 1900 Custom license marker 2013 05 06 PD-old-70-1923 Uploaded with UploadWizard Wilhelm Friedrich Kühne Optograms |