HA-2 is a compact and light-weight tonometer. It is easy-to-use and well-balanced. Its unique -spting mechanism enables correct reading irrespective of the patient's posture. The built-in illumination allows you to use it regardless of the illuminating condition of consultation room. Its direct reading type precision dial requires no conversion table to change the readings. Additionally, accessories like adjustable head rest and interchangeable eyepiece provide most suitable conditions for measurement. Features: It is compact, light-weight and well balanced. The instrument is battery operated and easy-to-use and comes with two years warranty on parts and labor. It has a unique one-spring design and built-in illumination. It has an adjustable head rest and interchangeable eye-piece. It has an optional 3x long eye-relief for presbyopic users and direct reading type precision dial.