|  6c F.C. Donders stamp single, 1935 Netherlands Paper, ink, adhesive Gift of John F. Bigger, MD |  Fick-Livschitz Tonometer, c.1890 Metal, rubber, glass Gift of Robert A. Moses, MD The first tonometer, or instrument to measure intraocular pressure, was created in Dr. Donder’s lab between 1863 and 1868. |