1. Edge KR, Nicoll JMV. Retrobulbar haemorrhage after 12,500 retrobulbar blocks. Anesth Analg 1993; 76: 1019-22
2. Ruben S. The incidence of complications associated with retrobulbar injection of anaesthetic for ophthalmic surgery. Acta Ophthalmologica 1992; 70: 836-8
3. Cionni RJ, Osler RH. Retrobulbar haemorrhage. Ophthalmology 1991; 98: 1153-5
4. Rahman I. Ataullah S. Retrobulbar hemorrhage after sub-Tenon's anesthesia. Journal of Cataract & Refractive Surgery 2004; 30(12):2636-7
5. Konstantatos. Anticoagulation and cataract surgery: a review of the current literature. Anaesthesia & Intensive Care 2001; 29(1): 11-8
6. Hofbauer JD, Gordon LK, Palmer J. Acute orbital cellulitis after peribulbar injection. American Journal of Ophthalmology 1994; 118(3): 391-2.
7. Leibovitch I, Tamblyn D, Casson R and Selva D. Allergic reaction to hyaluronidase: a rare cause of orbital inflammation after cataract surgery. Graefe's Archive for Clinical and Experimental Ophthalmology 2006; 244(8): 944-949