Fig. 9. Perfluoro-octane (PFO) is injected to the level of the posterior edge of the giant break while balanced salt solution (BSS) is infused. (Freeman HM: Current management of giant retinal breaks and fellow eyes. In Glaser BM, Ryan SJ (eds): Surgical Retina, 2nd ed, pp 2313–2338. St. Louis, CV Mosby, 1994)