ProStream Irrigating Vectus (Knolle-Pearce) cannula is a trusted ophthalmic instrument designed for cortical irrigation and nucleus manipulation during cataract surgery. This unique Knolle-Pearce model features a finely engineered dual-port tip that allows balanced fluid delivery, ensuring effective cortical separation and safe intraocular handling. Knolle-Pearce irrigating vectus for controlled fluid management.