Nidek
Offers specialized ophthalmic laser and diagnostic products.

Laser Diagnostic Technologies, Inc.
A manufacturer of diagnostic, laser scanning ophthalmoscopes used for early detection of glaucoma.

IRIDEX Corporation
Produces semiconductor-based laser systems used to treat eye diseases and skin lesions. (Nasdaq: IRIX).

LaserSight Incorporated
Develops, manufactures and markets ophthalmic lasers with galvanometric scanning systems primarily for use in performing photorefractive keratectomy. (Nasdaq: LASE).