OPTECOperational Test & Evaluation Command (US Army; now ATEC, Army Test and Evaluation Command)
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Because exposure to pesticides can affect vision (15,21), we performed standard visual tests of acuity and contrast sensitivity (22) using the OPTEC 1000 (Stereo Optical, Chicago, IL), an automated visual test system.
The product also features Russell Hobbs' proprietary OPTEC Disc Element (Optimized Printed Element) Technology.