purpose: to compare the efficacy and safety of two local anesthetic methods; retrobulbar anesthesia and parabulbar anesthesia using ptfe intravenous cannula without needle in extracapsular cataract surgery. method: a randomized prospective partially blind study was conducted on 66 eyes of 66 patients with senile cataract who were scheduled for ecce and pc iol surgery. after randomization, 35 pa...

Preheating local anesthetic agents used for retrobulbar and facial nerve injection greatly decreases patient discomfort.

Peribulbar and retrobulbar anaesthesia are commonly used techniques in cataract extraction. They offer satisfactory analgesia and akinesia but serious complications although uncommon are consistently reported. Intravenous sedation combined with a facial nerve block offers an alternative method of anaesthesia. This is a retrospective study of patients who underwent extracapsular cataract extract...

PURPOSE To describe a patient with Osler-Rendu-Weber syndrome who developed a nonsimultaneous intraoperative choroidal hemorrhage in each eye. METHOD Interventional case report. A 65-year-old Caucasian woman with Osler-Rendu-Weber syndrome developed a choroidal hemorrhage in the left eye during vitrectomy for a complicated retinal detachment with a poor visual outcome. Fifteen years later, sh...

AIM To assess the effects of acute orbital volume changes after retrobulbar injection on optic nerve head topography. METHODS The study population consisted of 95 patients with type 2 diabetes mellitus with clinically significant macular oedema who required focal pattern laser photocoagulation therapy in one eye. Before each laser treatment, 49 patients required a retrobulbar injection (appro...