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Welcome

Sterling is the world’s leading supplier of ultra-precision machining systems for the production of Contact Lenses and Intra-Ocular Lenses.

Sterling also provides the most advanced technology for the production of freeform (non-rotationally symmetric) optical surfaces. Sterling’s fast and slow tool servos, powered by innovative software, offer a world of possibilities to surface designers and manufacturers.

Sterling’s client list is a “Who’s Who” of the global ophthalmic industry: Every major producer in both industries uses Sterling’s OPTOFORM and / or NANOFORM ultra-precision machine systems.

Sterling’s route to providing world-class, cutting-edge lathes and technology at an affordable price lies in the Sterling-Precitech partnership, which began in 1991 and continues, stronger than ever, today.

Precitech, formerly Pneumo Precision (1961) and Rank Pneumo (1984), builds the world’s most advanced ultra-precision machine systems. These are used in electro-optics and precision mechanical component manufacturing for defense, aerospace, consumer electronics and a variety of other industries.

The Optoform 40

Sterling’s many years of ophthalmic design and process knowledge have united successfully with Precitech’s precision machine-building capability. Together we created the OPTOFORM range, which offers advanced technological solutions for ophthalmic manufacturers, without the R&D costs which would normally be involved in continually developing new levels of precision.

The Sterling-Precitech partnership has also led to the development of an extremely powerful and flexible machine controller, which accommodates the full range of ophthalmic motion-control requirements.

Sterling’s array of powerful software programs for lens / mold designs includes non-rotationally symmetrical optics (including toric) as well as aspheric, spheric, multi-spheric, slab-off, bifocal and edge designs. Sterling's OPTO-CAD software converts AutoCad (dxf) data to lathe compatible file formats.