Photopic 30 Hz flicker ERG as a predictor for rubeosis in central retinal vein occlusion |
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Authors: | Larsson J Andréasson S |
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Affiliation: | Department of Ophthalmology, University Hospital, Lund, Sweden. Jorgen.Larsson@oft.lu.se |
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Abstract: | AIMS: To investigate the predictive value of the cone b-wave implicit time in the photopic compared with the scotopic 30 Hz flicker ERG for rubeosis in central retinal vein occlusion. METHODS: 44 patients with a central retinal vein occlusion were examined with full field electroretinogram (ERG). RESULTS: The average implicit time in the photopic 30 Hz flicker ERG in patients who developed rubeosis (n=15) was 38.3 ms. In the patients who did not develop rubeosis (n=29) it was 31.3. The difference is statistically significant (p=0.0000000004). CONCLUSION: The photopic cone b-wave implicit time in the 30 Hz flicker ERG is a good predictor for rubeosis. |
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