Profile: Tisha Medical Exports offers a wide range of ophthalmic equipments, optical workshop equipments, refraction & OPD equipments and surgical instruments. We also supply units of intraocular lenses and surgical sutures. Applanation tonometer is a simple device used for measuring intraocular pressure and is designed to be mounted on the microscope permanently. When the tonometer is in use it can be swung forward just in front of the microscope and exact centering of the prism with the left eyepiece is engaged by notch. Illumination through the built-in cobalt filter projected to the plastic measuring prism for flattening the vertex of cornea gives reflection-free observation of split images.