Stereo Optical Company, INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersChicago, IL
US patents5
SAM.gov UEIXQJPYBMKLW49
CAGE code02012
Incorporated inIL
- vision screeners
- test slides
- stereotests
- color tests
- polarized viewers
- s vision
- sports vision
- driver rehabilitation
- medical
- practices
- hospitals
Named on the company’s own website, read JUL 29, 2026
What they make
Chart, Visual AcuityInstrument, Measuring, StereopsisRefractometer, OphthalmicStereoscope, Ac-PoweredTester, Color Vision
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
5 US patents granted 1984–1993, none of them in the five years to SEP 2025.
Medical technology 5
- Apparatus and method for testing visual accuity and contrast sensitivityUS 5,216,458 · granted JUN 1, 1993
- Visual acuity test device and method of preparing sameUS 4,968,131 · granted NOV 6, 1990
- Visual acuity testingUS 4,854,695 · granted AUG 8, 1989
- Vision tester with color corrected illuminating systemUS 4,844,607 · granted JUL 4, 1989
- Eye testing deviceUS 4,452,515 · granted JUN 5, 1984
Granted to Stereo Optical Company, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Stereo Optical Company, INC | Chicago | IL | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


