The easy-to-use Icare tonometers revolutionarize effective, early Glaucoma detection and control by making the IOP measuring routine quick, effortless and effective. Icare ONE tonometer is designed and recommended for home use by Glaucoma Patients who need regular IOP monitoring by their ophthalmologists recommendation. * High standard professional quality by using proven and reliable Icare rebound technology. * No anesthetic of disinfection is needed with Icare tonometers. * Fully compatible with the new Icare PRO device and Icare LINK software; free of charge accessory software to store and analyze the measuring results.