BACKGROUND AND OBJECTIVE: The authors describe their prospective, rand
omized study of a single peribulbar injection into the junction of the
lateral third and medial two thirds of the lower lid compared with th
e standard two-injection peribulbar technique. PATIENTS AND METHODS: O
ne hundred twenty patients undergoing elective intraocular surgery wer
e randomly allocated to receive either one or two injections of a mixt
ure of balanced salt solution, 2% lidocaine, 0.5% bupivacaine, and hya
luronidase. Preoperative akinesia was assessed following the injection
s. At the end of surgery, the patients were asked if they had experien
ced any pain or discomfort during surgery. RESULTS: There was no signi
ficant difference in pain or globe akinesia between the two groups. CO
NCLUSION: The single peribulbar injection was found to be as effective
as the standard two-injection peribulbar technique.