Table 2

Studies showing favourable results

ReferenceProcedureMean IOP in the 1st PO dayComplete success
PO  =  postoperative; DS  =  deep sclerectomy; DSCI  =  deep sclerectomy with collagen implant.
Shaarawy et al23Viscocanalostomy5.6 (SD 6.1)60% (60 months)
Mermoud et al15DSCI6.1 (SD 4.5)69% (24 months)
El Sayyad et al14DS8.4 (SD 2.7)92% (12 months)
Shaarawy et al18DSCI5.1 (SD 3)62% (60 months)
Ambresin et al17DSCI5.0 (SD 4.3)40% (24 months)