Articles and videos cover the anterior vitrectomy, Astigmatism, capsule issues, hydro- » Articles and videos cover the anterior vitrectomy, Astigmatism, capsule issues, hydro-dissection & hydro-delineation, White Cataracts, pterygium, macular disease, and hyperopia. Authored by Professor Uday Devgan MD. He is a renowned Los Angeles cataract surgeon, teaches the best techniques for cataract surgery.