Luneau's Tonojet L900 Disposable Tonometer Prisms are interchangeable with standard tonometer prisms in the Goldmann applanation tonometer. The L900 simply replaces the standard separation (doubling) prisms. These sterile single-use (disposable) contact prisms protects your patients against diseases such as (hepatitis, Aids, Viral Kerato-conjuctivitis vCJD) transmitted by the lachrymal film. The sterile individual packaging allows the mounting of the separation prisms without any direct contact with the product. Supplied in a box of 100.