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An 8 year retrospective study of cataract surgery and postoperative endophthalmitis: pre-loaded injectable intraocular lenses may reduce the incidence of postoperative endophthalmitis

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Session Details

Session Title: Cataract Surgery/ Equip/ IOLs

Session Date/Time: Sunday 14/09/2014 | 14:30-16:00

Paper Time: 14:48

Venue: Capital Hall B

First Author: : K.Weston UK

Co Author(s): :    R. Nicholson   F. Yang   C. Bunce        

Abstract Details


To demonstrate a change in the rate of POE with the adoption of a pre-loaded injectable intraocular lens implant (Acrysof IQ).


A single eye unit in a District General Hospital in Portsmouth (The Queen Alexandra Hospital, Cosham).


A retrospective study of all cataract surgery performed, and examination of all post-operative endophthalmitis (POE) cases, between 2004 and 2012. Incidence rates of POE were compared between different methods of lens insertion, and chi squared analyses performed.


Over the 8 years a total of 25,924 cataract operations were carried out on 17,824 patients. There were 12 cases of POE. The pre-loaded injectable lenses had a lower incidence of POE (0.018) compared with all other methods of lens insertion (0.067). In particular, the pre-loaded lenses had a significantly lower rate of POE compared with the forceps-inserted method of lens insertion (p=0.04) and other injectable lenses which were manually folded before insertion into the injector (0.0001).


Our study demonstrated a lower incidence of POE relating to the use of pre-loaded injectable intraocular lens implants over other methods of lens insertion, with other operative techniques remaining constant. The use of pre-loaded injectable lenses not only removes the direct contact of the lens with the ocular surface but also eliminates manual handling of the lens and any environmental exposure.

Financial Interest:


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