Model: Tono A

• 1. used to examine the eyes and measure the ocular pressure.
• 2. Accurate measurement and total tolerance is less than 0.066KPa(0.55Hg).
• 3. Directly get the ocular pressure and do not need to look up the conversion table.
• 4. The measured ocular pressure is not affected by hardness of eye.
• 5. the affected ocular volume is just 0.56 cubic millimeter.