In practice, calibration is a multi-step process that might include the following: Initial instrument assessment and baseline measurement gathering. Comparison of current readings against a fixed standard. This article delves into the role optometric technicians play in calibrating ophthalmic instruments and how analytics, powered by platforms such as DataCalculus, are revolutionizing standard practices. Optometric technicians are the unsung heroes behind every clear diagnosis and accurate vision. Page 2 EasyConnect, FastPac, FORUM, GPA, Humphrey, HFA, HFA-NET Pro, SITA, SITA Fast, SITA Standard, and SITA-SWAP, are either registered trademarks or trademarks of Carl Zeiss Meditec, Inc. in the United States and/or other countries. Measurement inaccuracies may occur. The information and technical data disclosed in this document may be used and disseminated only for the purposes and to the extent specifically authorized in writing by EDC Analyzers. It is important to calibrate the chart to ensure the optotypes displayed are of the proper size for the distance from the patient to the chart, and for the model of monitor you are using. Once you calibrate the chart, you should not need to re-calibrate. Must be a dimly lit room, <15 foot candles (161.