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Failed retinal surgery caused by intraocular gas injection.
  1. P. B. Johnston,
  2. C. J. Maguire and
  3. W. C. Logan
  1. Department of Ophthalmology, Royal Victoria Hospital, Belfast, Northern Ireland.


    Four patients developed inferior retinal redetachment following initially successful surgery which included intraocular injection of air and sulphahexafluoride (SF6) mixture. In each case the intravitreal gas bubble produced vitreoretinal traction which opened inferior retinal breaks and led to retinal separation. Cautious use of intraocular gas is advised when bullous upper rhegmatogenous retinal detachments are accompanied by inferior retinal breaks.

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