3 of 5 front control buttons were at first non responsive. Unit sat for 1 year without usage. Finally all buttons worked via usage. The most used "Measure" button at the far right was the last to get working. This Auto Tonometer measures the IOP (intraocular pressure) in human eyes. A NCT (non-contact tonometer) uses a small puff of air to measure an eyes intraocular pressure.
3beltwesty 8k sny2
