© 2005 BMJ Publishing Group Ltd
SCIENTIFIC REPORT
Visual loss following removal of intraocular silicone oil
St Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool, UK
Correspondence to:
Correspondence to:
Sunildath Cazabon
St Paul’s Eye Unit, Royal Liverpool University Hospital, Prescott Street, Liverpool, L7 8XP, UK; jcazabon{at}hotmail.com
Aim: To investigate the cause of visual loss following removal of intraocular silicone oil in patients who underwent vitrectomies for retinal detachment or giant retinal tear.
Methods: The clinical records of three cases with visual loss following removal of silicone oil were reviewed. Investigations carried out included fundus fluorescein angiogram, optical coherence tomography, and electrophysiological studies.
Results: Visual acuities dropped from 6/9 to 6/36 in two cases and 6/24 to 3/24 in the third. None of the three cases had macula detachment at any stage. Fundus fluorescein angiogram and optical coherence tomography were normal in all cases. Pattern electroretinogram showed reduced amplitudes of the P50 and N95 components. Multifocal electroretinogram indicated a selective damage to the central part of the macula.
Conclusions: The results suggest that the abnormality arises predominantly in the central part of the macula, especially the outer and middle layers. However, the exact mechanism still remains obscure.
Abbreviations: FFA, fundus fluorescein angiogram; IOL, intraocular lens; mfERG, multifocal electroretinogram; OCT, optical coherence tomography; PERG, pattern electroretinogram; VEP, visual evoked potential
Keywords: intraocular silicone oil; visual loss
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Br. J. Ophthalmol. 2005 89: 789.
This article has been cited by other articles:
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Rani, P K, Raman, R, Bhende, P, Sharma, T
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Herbert, E N, Liew, S H M, Williamson, T H
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eLetters:
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- Visual loss may be due to silicone oil tamponade effect rather than silicone oil removal
- Padmajakumari Rani, et al.
- BJO Online, 7 Sep 2005 [Full text]
- Visual loss following silicone oil removal
- Richard SB Newsom, et al.
- BJO Online, 22 Aug 2005 [Full text]
- Visual loss after silicone oil
- Edward N Herbert, et al.
- BJO Online, 7 Sep 2005 [Full text]
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