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Is optic nerve head swelling of prognostic value in central retinal vein occlusion?
Charlotte Hvarfner1, Jörgen Larsson
1Department of Ophthalmology, University Hospital, 221 85, Lund, Sweden. charlotte.hvarfner@oft.lu.se
Purpose:
To investigate the prognostic value of optic nerve head swelling (ONHS) in central retinal vein occlusion (CRVO) and compare it to other prognostic factors.
Methods:
Seventy-four patients with CRVO were studied retrospectively. The parameters analysed were the initial presence of ONHS, the fluorescein angiographic appearance, the implicit time in the 30-Hz flicker ERG and the initial visual acuity. The aspects of outcome studied were the development of neovascular complications and the visual acuity 1 year after the thrombotic event.
Results:
Fluorescein angiography, ERG and initial visual acuity were of prognostic value in CRVO, whereas ONHS was of questionable value.
Conclusion:
ONHS is most likely of no prognostic value in CRVO.