Plunger retractor optional. Schiotz Tonometers are used to measure and monitor intraocular pressure in the eye. The Schiotz tonometer has a free floating barrel with a footplate. The footplate ...

How does it work? The fluids, or cultures, are contained in a glass barrel and are isolated from each other by a rubber septum. As a plunger mechanism pushes the septum forward, a bypass in the glass ...