Stereo Optical Co., Inc. sets the industry standard for professional vision, glare, and contrast sensitivity testing equipment. Since 1948, Stereo Optical has provided cutting-edge instruments for ophthalmology, optometry, clinical trials, public/occupational healthcare, schools, industry, DMVs, and the military. Stereo Optical has been instrumental in the development of modern vision testing technology. As the established authority on vision, glare, and contrast sensitivity testing, Stereo Optical is uniquely placed to meet the vision testing needs of any optical or eye care professional.