The Effect of Peribulbar Block Volume on Intraocular Pressure Change: A Randomized Prospective Study.
Alam Brendan E R, Young Steven K, Kiyota Yuka, Mullaly Catherine M, Oh Kyung, Agarwal Kanika et al.
This study found that 7mL peribulbar blocks, compared to 4mL, led to significantly higher surgeon satisfaction for eye surgery, while both volumes safely reduced intraocular pressure after massage.