
Ophthalmic lens manufacturer for individual quality spectacle lenses in mineral glass and plastic – made in Bochum since 1949

Eugen Stratemeyer GmbH & Co. KG
Bochum (DE)New on Amplifa
About the ophthalmic lens manufacturer Stratemeyer
Eugen Stratemeyer GmbH & Co. KG is a medium-sized ophthalmic lens manufacturer from Bochum that has been producing quality spectacle lenses Made in Germany since 1949. The full product range comprises single vision lenses, progressive lenses, near-range and special lenses as well as digital and driving lenses, sports lenses and an eye protection program (EYEsecure) according to EN 166. Production uses freeform technology on high-performance industrial machines of the latest generation; materials are mineral glass as well as plastic lenses including shatterproof Trivex 1.53 and Trivex Transitions. The value chain includes milling, grinding and polishing of the blanks, finishing such as anti-reflective coating, hard coating and tinting, laser engraving, remote-form edging, center thickness reduction according to shape sketch, as well as a glazing service for frames and complete spectacles. Stratemeyer is the exclusive partner of traditional opticians, serving primarily the German market with short delivery times and relying on sustainable production with a closed water circuit. Production and administration are located at one site on 8000 m² on Vierhausstraße in Bochum.
- Site
- Bochum
- Processes
- Spectacle lens manufacturing with freeform technology, Milling, grinding and polishing of spectacle lenses, Glazing service (fitting lenses into frames), Remote-form edging, Laser engraving, Center thickness reduction according to shape sketch (sketch production), Coating/finishing (anti-reflective, hard coating, tinting, cleaning layers), Glazing service
- Materials
- Mineral glass, Plastic lenses, Trivex 1.53, Trivex Transitions, Freeform technology
- Certificates
- EN 166 (EYEsecure safety glasses), PPE Regulation (EU) 2016/425, ISO 9001
- Founded
- 1949
- Industries
- Optics, Occupational safety/PPE, Sports optics
- 01
Blank selection (mineral glass, plastic, Trivex)
- 02
Freeform milling and grinding
- 03
Polishing
- 04
Finishing/coating (anti-reflective, hard coating, tinting)
- 05
Laser engraving and remote-form edging
- 06
Final inspection
- 07
Packaging and shipping
Materials and Processes
Mineral glass
Classic spectacle lens material, initially the company's sole material, available predominantly in brown.
Plastic lenses
Lighter, shatter-resistant material, ideal for rimless frames and a wide range of coatings.
Trivex 1.53
Extremely shatter- and impact-resistant, lightweight material with brilliant optical quality, used e.g. for children's and sports lenses.
Trivex Transitions
Self-tinting alternative to Trivex in brown and grey, since Trivex cannot be tinted.
Freeform technology
Manufacturing process for highly precise, customizable single vision and progressive lenses.
Locations

Bochum
DEProduction and administration
- Lot size
- Single pieces to series production
- Materials
- Mineral glass, plastic, Trivex
- Freeform production machines (latest generation)
- Grinding machines
- Polishing machines
- Laser engraving
- Coating systems
Products and Components





Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Spectacle lens manufacturing with freeform technologyMachining | – | – | – | – | Glass, Plastic, Trivex |
| Milling, grinding and polishing of spectacle lensesMachining | – | – | – | – | Glass, Plastic |
| Glazing service (fitting lenses into frames)Assembly | – | – | – | – | Glass, Plastic |
| Remote-form edgingMachining | – | – | – | – | Glass, Plastic |
| Laser engravingSurface | – | – | – | – | Glass, Plastic |
| Center thickness reduction according to shape sketch (sketch production)Engineering | – | – | – | – | Glass, Plastic |
| Coating/finishing (anti-reflective, hard coating, tinting, cleaning layers)Surface | – | – | – | – | Plastic, Glass, Trivex |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Spectacle lens production machines (high-performance industrial machines, latest generation) | – | – | – | – | Bochum |
Additional services
Quality and Standards
Production takes place on state-of-the-art industrial machines with final inspection of the lenses; the premium line is subject to strict quality criteria that go significantly beyond the DIN standard. Prescription safety glasses of the EYEsecure line comply with EN 166:2001 and the PPE Regulation (EU) 2016/425 and are delivered with a personalized declaration of conformity.
| Evidence | Bochum |
|---|---|
| EN 166 (EYEsecure safety glasses) | |
| PPE Regulation (EU) 2016/425 | |
| ISO 9001 |
Company History
- 1949
Company founded by Eugen Stratemeyer in a chicken coop; initially mineral spectacle lenses, machines built by hand.
- 1962
Move to the large company building near Bochum's city park (Vierhausstraße).
- 1964
85 skilled workers in production; diamonds facilitate grinding, plastic lenses expand the portfolio.
- 1983
Progressive spectacle lenses added to the product range.
- 1986
Expansion of the production facility to 8000 square meters.
- 1988
Revenue of 20 million DM, 180 employees.
- 2006
Jürgen Fröhning takes over management; investments in new machinery and production expansion.
- 2024
75th company anniversary.