| Description | For administering local anesthetic prior to ophthalmic surgery. 23G x 1 1/4 in (.60 x 32mm). May also be used for retrobulbar administration. | For administering anesthetic agents into the posterior sub-Tenon's space 20G x 1in (.90 x 25mm) | For administering anesthetic agents into the posterior sub-Tenon's space 30G x 7/8in (.30 x 22mm) |