The Norwich Trabeculectomy Study: Long-term Outcomes of Modern Trabeculectomy with Respect to Risk Factors for Filtration Failure

David C Broadway^1,2,3* and Allan Clark²

¹Norfolk and Norwich University Hospital, Colney Lane, Norwich NR4 7UY, UK

²The Norwich Medical School, Norwich Research Park, University of East Anglia, Norwich NR4 7TJ, UK

³The Schools of Biological Science and Pharmacy, Norwich Research Park, University of East Anglia, Norwich NR4 7TJ, UK

^*Corresponding Author: Professor David C Broadway, BSc (Hons) MD FRCOphth DO(RCS), Department of Ophthalmology, Norfolk & Norwich University Hospital, Colney Lane, Norwich, Norfolk, NR4 7UY, United Kingdom, Tel: +441603 288373, Fax: +441603 288261 Email: