Founded in 1974 by Dr. David Volk, Volk Optical is a Mentor, Ohio, medical-device company built around a mission to eradicate preventable blindness. Now part of Halma plc, it has spent five decades refining ophthalmic visualization for eye-care professionals, including its distinctive double-aspheric optical design and portable fundus imaging work.
ISO 13485
FDA regulations related to medical device manufacturing and quality systems
Compliance program
FDA
Quality certification
VisionixVisionix was created by Dr. Abitbol in 1994 to bring wavefront technology into vision health care, an ambition that still shapes its work today. The company now operates as a global vision-health brand formed by bringing together several established optical technology businesses, with research and development centers in Israel and France. Its equipment is used daily by 135,000 eye-care professionals worldwide.GROVE CITY, OH
Keeler LtdWith more than a century of optical expertise, Keeler Ltd designs and manufactures ophthalmic instruments for eye-care professionals, including binocular indirect ophthalmoscopes and diagnostic equipment. Founded in 1917 by Charles D. Keeler, the Windsor-based company still operates its main UK manufacturing facility while also assembling selected instruments and servicing North American customers locally in Pennsylvania. Its medical devices are certified to ISO 13485 and ISO 14001 standards, alongside MDSAP, UKCA and CE requirements.MALVERN, PA
VectorVision Ocular Health (DBA: VectorVision)Founded by vision scientist David W. Evans, Ph.D., VectorVision makes standardized vision-testing instruments for measuring visual function in eye-care practices and clinical research. Based in Greenville, Ohio, the company has spent 30 years developing patented systems such as the CSV-1000, CSV-2000 and ESV-3000, which automatically control testing luminance for consistent results. Its equipment is used in more than 60 countries, 5,000 eye-care clinics and more than 50 FDA clinical trials.GREENVILLE, OH
Gulden OphthalmicsSince 1938, Gulden Ophthalmics has built its identity as an American manufacturer focused on the specialized needs of eye-care professionals. Based in the Philadelphia area, the company develops and makes ophthalmic instruments and medical devices for learning institutions and clinical customers worldwide, while also taking on custom plastic work beyond eye care. Its ISO 13485:2016 certification covers the manufacture, service and distribution of ophthalmic instruments, ocular implants and conformers.ELKINS PARK, PA