Abstract
Conventional buckling procedures in pseudophakic eyes are more often than in phakic eyes complicated by proliferative vitreoretinopathy (PVR). The records of 68 patients (68 eyes) suffering from pseudophakic retina detachment between January 1988 to March 1993 were evaluated. We analysed the frequency of PVR-redetachment and possible risk-factors. Thirteen eyes (19%) developed PVR-redetachment after external surgery. Within this group we were not able to find a retinal break before or during surgery in 70% of patients (9 eyes), compared to 25% of patients in the group without PVR complication. Uncertain visualisation of the retinal break prior to and during external surgery along with persistent retinal detachment represent risk factors for PVR. Also, extended indentation and cryotherapy during frustrane hole localisation is likely to reduce absorption of subretinal fluid and increase blood-ocular-breakdown. Both factors are known to raise the risk of PVR. Whether or not these severe disadvantages of "blind buckling" can be relieved by primary vitrectomy is subject of future investigations.
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