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Sustained topical anaesthesia for intravitreal implantation surgery

Session Details

Session Title: Vascular Diseases and Diabetic Retinopathy II

Session Date/Time: Friday 12/09/2014 | 11:00-13:00

Paper Time: 11:24

Venue: Boulevard C

First Author: : M.NAbdul Karim UK

Co Author(s): :    R. Singh   P. Ashwin           

Abstract Details


To identify the effectiveness of sustained topical anaesthesia for intravitreal implantation of Dexamethasone(Ozurdex).


Kettering General Hospital, Kettering, United Kingdom


Prospective study on patients who were planned to receive intravitreal dexamethasone implant (Ozurdex) for the treatment of maculopathy due to retinal venous occlusion. All patients received minims Proxymetacaine 0.5% topically followed by the application of a cotton pledget soaked in g Tetracaine 1.0% in the inferior fornix for 1 for 5min. Blood Pressure and pulse rate was recorded at baseline, pre-operatively, intra-operatively and postoperatively. The technique was carried out by a single surgeon (PTA) using the standard pre-loaded injection cartridge with a 22 G needle diameter. Scoring was done for the pain using a visual analogue score ranging from 0-5(0=no pain to 5= most severe pain) at 2 time points of intraoperative and post-operative. A surgeon satisfaction score was also completed for all procedures.


22 (9 males and 13 females) consecutive patients were included. The mean age was 73.7 years. 12 patients have had previous surgery in the same eye. The median pain score during the procedure was 1 (0-3) and post-operatively 0(0-2). Systolic blood pressure peaked intraoperatively and returned to baseline within 30 min following the procedure. There were no intraoperative complications and surgeon satisfaction was very good.


Sustained topical anaesthesia offers safe and effective pain relief for patients undergoing intravitreal Dexamethasone implantation surgery.

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