Stereo Optical Optec 5000 series Vision Tester are the device which includes the complete vision diagnostics. The instrument can test for pediatric and adult visual acuities, color and depth perception, vertical/lateral Phorias, and peripheral vision testing. Exams can be performed under a variety of conditions i.e. monocular, binocular, near, distance, daytime, and nighttime conditions. Optec is the only vision tester which meets ANSI Standard and International Vision Tester Standards.