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M. M. Kruger, F. R. Jones; Retinal Nerve Fiber Layer Thickness as a Predictor of Visual Recovery After Decompressive Surgery for Sellar Lesions. Invest. Ophthalmol. Vis. Sci. 2010;51(13):649.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate retinal nerve fiber layer thickness as a predictor of visual acuity and visual field improvement after chiasmal decompression surgery.
23 patients and 46 eyes with a compressive chiasmal lesion as demonstrated by MRI were reviewed. Preoperatively all patients underwent a complete ophthalmologic exam including determination of the visual field by Humphrey 30-2 and retinal nerve fiber layer thickness measurement by optical coherence tomography. Post operatively all patients underwent repeat visual field examination within 3 months. Visual field change was determined and then correlated to pre-operative RNFL.
No statistically significant association was found between retinal nerve fiber layer thickness and improvement in visual acuity or visual field testing. A statistically significant association was found between initial visual field loss and improvement after chiasmal decompression.
In this small retrospective study, retinal nerve fiber layer thickness was not a good predictor of visual recovery after decompressive surgery for sellar lesions.
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