Diaton Tonometer Diaton Tonometer is intended for use by Inpatient & Outpatient Clinics such as Hospitals, Emergency Rooms, Nursing & Elderly Homes, General & Specialty Practitioners as well as Ophthalmologists and Optometrists. “Diaton tonometry” is a unique approach to measuring intraocular pressure (IOP) through the Eyelid. Non-Contact (no contact with cornea), no anesthesia or sterilization required, pen like, hand-held, portable tonometer. Technical "know-now" applied in diaton tonometer makes the device more accurate and easy in use. - Objective control of the device's placing correctness during IOP measuring - Automated process of IOP measuring - Evaluation of the received results reliability