1. Alcon Inc.
2. Carl Zeiss Meditec AG
3. Topcon Corporation
4. Bausch Health Companies Inc. (Formerly Valeant Pharmaceuticals International Inc.)
5. Iridex Corporation
6. Ellex Medical Lasers (Acquired by Quantel Medical)
7. Escalon Medical
8. Second Sight Medical Products Inc. (Now Vivani Medical Inc.)
9. Lumenis
10. Nidek Co. Ltd.
11. Glaukos Corporation
12. Johnson & Johnson
13. STAAR Surgical Company