We use viscoelastic (also called OVD = ophthalmic visco-surgical device) during cataract surgery to protect the delicate intra-ocular structures, in particular the corneal endothelium. For a dense cataract where we use more ultrasonic energy and fluidic currents, we can re-inject additional viscoelastic that may have been washed out. We can also use the OVD to create a barrier between the phaco tip and the posterior capsule. In this video our guest surgeon uses a continual injection of OVD to protect the cornea and posterior capsule during phaco of a dense cataract.
Published by Uday Devgan MD
Professor Uday Devgan MD is a Los Angeles Cataract Surgeon who authors CataractCoach.com to teach the best techniques of Cataract Surgery to Eye Surgeons from around the world. View all posts by Uday Devgan MD
Decent idea but I think the challenge for most people would be keeping perfect control of the canula for an extended period of time while pushing on the plunger.