John Smiles

Retrobulbar, peribulbar and subtenons anaesthetic blocks remain the gold standard for cataract surgeries. Whilst regarded as safe, unfortunate consequences can, and do occur as a result of misdirected infusion needle or canula. This 4 minute video depicts the author’s first steps in developing a technique of ultrasonic surveillance during the administration of a cataract block. This will increase both reliability and safety of this procedure.