Lacrimal Dilator-Facilitated vs Standard Sub-Tenon's Block

"Local anaesthetic eye drops were installed into the conjunctiva, followed by iodine 5% aqueous drops to the conjunctival sac for 3 minutes.19 An eye lid speculum was inserted.~In group LD, the conjunctiva and Tenon's capsule were lifted together tightly with a blunt forceps like a tent in the inferonasal quadrant and a punctal dilatator (Castroviejo Lacrimal Dilatator, Katena Products, Inc, Denville, NJ, USA) was placed tangential to the globe creating a round and small hole at 5 mm posterior to limbus (Fig.1). The block was performed using smooth rounded tip, 19 G, 1 inch sub-Tenon's cannula (Visitec, Beaver-Visitec International Ltd, Warwickshire, UK).~In Group WS, after lifting the conjunctiva and Tenon's capsule together with a blunt forceps, incision was performed with a blunt tip Westcott scissors in the inferonasal conjunctival at 5 mm posterior to limbus to expose sub-Tenon's space."