Corza Medical's ophthalmic product range encompasses Katena Products Inc, ASICO and Rhein Medical high-quality stainless steel and titanium reusable ophthalmic instruments. The combination of three worldwide brands builds upon their commitment to being a global leader in ophthalmology.

John Weiss ophthalmic micro-surgical instruments have a rich history of adapting and evolving to meet the ever­changing needs and demands of the modern surgeon. The product range has expanded to over 2500 products, encompassing all sub-specialties of ophthalmic surgery, cataract, corneal, oculoplastic, glaucoma and vitreoretinal.  Available in titanium and stainless-steel, the John Weiss instrument range includes; Forceps, Needle Holders, Scissors, Choppers & Manipulators, Specula, Extraocular and Specialist instruments.

The Haag-Streit range of products are only available through Device Technologies in Australia.