Stereoscophthalmic Department
In 1932 Keystone's Stereoscophthalmic Department was formed to meet the needs of eye specialists, safety and efficiency engineers and psychologists who needed stereoscopic tests. Keystone stereoscopic vision tests were used to test automobile and truck drivers, as well as airplane pilots. For those diagnosed with certain vision problems special Keystone stereoscopes and stereoviews were used in the home for daily eye-training exercises.
As long as the Keystone View Company was owned by those who lived and worked in Meadville the Educational Department and Department A stereoviews continued to be produced. But as time went on the Stereoscophthalmic Department gained in importance.
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