Knolle-Pearce Irrigating Lens LoopDDP Elite USA Knolle Pearce Irrigating Lens Loop is a useful tool for cataract and lens extraction procedures. The loop is instated between the nucleus and the posterior capsule; fluid is allowed to pass into this space to allow for easier removal of the lens. Three irrigation ports provide ample fluid distribution. Please note that website images are often representative of the product family and may not conform to the exact specifications or