Fig. 12. A. Dissection in the periphery requires scleral indentation. Similar bimanual techniques are used to strip membranes. Frequently, membranes are very adherent and must be delaminated using microscissors, as illustrated here. B. If a peripheral trough is present, it is opened with the microcutter or microscissors. The freed membranes and vitreous are removed with the microcutter.