Product Description The original Icare tonometer is based on a proven accurate measuring principle, in which a very light probe is used to make momentary and gentle contact with the cornea. The device not only make IOP measuring a more pleasant experience for all patients, it is also an important break-through for succeeding with non-compliant patients (e.g. children and dementia patients).The easy usage and dynamic patient flow obtained by the Icare® tonometer makes it a very important instrument for general practitioners, optometrists, occupational health care, pharmacies and other medical personnel.Requiring no drops, air or specialized skills for its use the quick and painless Icare® tonometer makes IOP measuring easy and has an important role in glaucoma screening programs of masses.Specifications:- Dimension: 13-32 mm(W)*45 - 80 mm(H) * 230 mm (L)- Weight: 155 g (without batteries), 250g (4 x AA batteries)- Power Supply: 4 x AA batteries.- Measurement range: 7-50 mmHg.- Display range: 0-99 mmHg (IOP estimation beyond the measuring range).- Accuracy: (95% tolerance interval relative to manometry) +-1.2 mmHg (20mmHg)- Repeatability(coefficient of variation): <8%- Accuracy of display: 1.- Display Unit: Millimeter mercury (mmHg)- There are no electric connectiona from the tonometer to the patient.- The device has B-type electric shock protection Package Includes:- 4 x AA batteries- 100 single use probes in a box- Aluminium case- IOP pad- Probe base cleaning container- Quick guide- Silicone grip- Spare probe base- USB memory stick including instruction manuals- Warranty card- Wrist strap- Probe base cover for transportation and storage