1. Adams W, Morgan SJ. Diplopia following sub-Tenon's infiltration of local anesthesia. J Cataract Refract Surg. 2002; 28:1694–1697.
2. Kumar CM, Eid H, Dodds C. Sub-Tenon's anaesthesia: complications and their prevention. Eye (Lond). 2011; 25:694–703.
3. Guise P. Sub-Tenon's anesthesia: an update. Local Reg Anesth. 2012; 5:35–46.
4. Jaycock PD, Mather CM, Ferris JD, Kirkpatrick JN. Rectus muscle trauma complicating sub-Tenon's local anaesthesia. Eye (Lond). 2001; 15(Pt 5):583–586.