• Keeler Ltd. (Halma plc)
• Topcon Corporation
• Revenio Group Oyj (Icare Finland Oy)
• Reichert Inc. (Ametek Inc.)
• OCULUS Optikgerate GmbH
• Kowa American Corporation (Kowa Company
Ltd.)
• Nidek Co. Ltd.
• Ziemer Ophthalmic Systems AG
• Canon Inc. (Canon Medical Systems Corporation)
• Tomey Corporation