Measuring with an Icare tonometer is free from air puff, anesthesia, drops, or other preparations. The Icare tonometers enable hygienic and effortless eye pressure measurement that is barely noticed by the patient, making it suitable for all patients from the very young, to the older generation, even for post-surgical applications. The Icare tonometers are safe because of the use of a single-use probe. The Icare tonometers do not create micro aerosol formations while a risk of cross-contamination may be present during micro aerosol-generating procedures like air puff tonometry Specially for pediatric patients, this device is very useful.