Local anesthetics commonly used in ophthalmic surgery (0.5 to bupivacainehydrochloride,2.O% lidocaine hydrochloride,0.38% bupivacaine-1.O% lidocaine-l:1OO,000 epinephrine mixture) were injected into the retrobulbar space of rabbits. Physiologic saline was injected into that...