title: [The influence of silicone oil removal on intraocular pressure].
abstract: OBJECTIVE
  The aim of this study was to evaluate the influence of silicone oil removal on intraocular pressure.
  
  
  METHODS
  Our material consists of 98 patients (104 eyes), who underwent vitrectomy with silicone oil tamponade. Sixteen eyes in this group were aphakic before vitrectomy. The mean duration of silicone-oil tamponade was 8.8 months. We examined and compared intraocular pressure in all cases before vitrectomy, during tamponade and after silicone oil removal.
  
  
  RESULTS
  The increased intraocular pressure (> 22 mmHg) was found in 27 eyes (seven of them were aphakic) during tamponade. We had to remove silicone oil due to glaucoma in 6 eyes (three of them were aphakic). In 9 eyes (four aphakic) the intraocular pressure was higher than 22 mmHg after silicone oil removal. Seven patients required additional topical medication and 2 patients were qualified for operation--trabeculectomy. Hypotony (< 10 mmHg) was observed in 11 eyes, and it coexisted with retinal redetachment in 4 cases.
  
  
  CONCLUSIONS
  The increased intraocular pressure is a frequent complication of silicone oil tamponade, and it normalizes after silicone oil removal in most of these cases.
authors.affiliation: Katedry i Kliniki Chorób Oczu Akademii Medycznej w Łodzi.
authors.forename: Agata
authors.initials: A
authors.lastname: Wesołek-Czernik
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D007429:Intraocular Pressure / Q000187:drug effects*; D008297:Male; D008875:Middle Aged; D009798:Ocular Hypertension / Q000139:chemically induced* / Q000517:prevention & control; D009901:Optic Nerve Diseases / Q000139:chemically induced; D012827:Silicone Oils / Q000009:adverse effects* / Q000627:therapeutic use; D013997:Time Factors; D014821:Vitrectomy / Q000379:methods*
chemical_list: D012827:Silicone Oils