We are offering tonometer according to prof. Schiotz. The schiotz tonometer is an instrument used to measure intra-ocular pressure i.e. The pressure inside the eye. This is most important for the diagnosis and early treatment of glaucoma, which quickly leads to blindness if undiagnosed. All main parts are made of high quality brass and are chrome plated. Red needle enables easy reading of the scale. The instrument comes complete with 3 weights (5.5 gram, 7.5gram, 10 gram) and conversion table in blue presentation case.