18Accutome AccuPen User Guide3. You can review the measurements taken by press-ing the Up and Down control buttons.4. You can delete any measurement taken by touch-ing and holding either the Up or Down control but-ton for several seconds (until the unit emits a highpitched chirp). After deleting a measurement, theunit will automatically recalculate the average ofthe measurements.How to Calculate Adjusted IOPAfter you have completed a Patient’s measurements youcan calculate the Adjusted IOP for the Patient. You canperform the calculation from the MCCT (Manual CentralCorneal Thickness) Screen.To calculate Adjusted IOP:1. From the Measurement Screen, select the MCCTscreen by pressing and holding the Action Controlbutton for two to three seconds. 530μm willappear as default.2. Enter the measured CCT by pressing the Up andDown control buttons until the proper measuredCCT is displayed. If you make a mistake, justreselect the correct value.3. The Adjusted IOP based on the average of themeasurements taken is displayed below the mea-sured IOP.4. Return to the Measurement Screen. by pressingand holding the Action Control button until theMeasurement Screen appears.Figure 10: Adjusted IOP Screen