All cataract surgeons will encounter cases of posterior capsule rupture during phaco. It is a known complication and can occur with any patient and any surgeon. Our guest surgeon is an expert at cataract surgery and he does a great job of managing this tough situation where the posterior capsule ruptures while there is still a hemi-nucleus remaining in the eye. The decision is to convert to MSICS to manually extract the rest of the nucleus. The result is great. You will certainly encounter this situation in the future, so please learn how to mange it now.