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正常眼網膜電圖(ERG)之研究

Study on ERG in Normal Eyes

並列摘要


This paper presents the study on ERG in 50 normal eyes. It is to record the retinal response to single light stimulation after dark adaptation. Dual-Trace Oscilloscope Model VC-8 of Nihonkoden, Lovac Type Contact Lens of Nihon Contact Lens Co. was used. The results after dark adaptation for 15 minutes (photopic ERG Fig. 5) show that (1) α-wave varies from 100 to 250 μV, the average being 172.89 μV (2) b-wave varies from 200 to 642 μV and the average is 297.81 μV; and after dark adaptation for 30 minutes (scotopic ERG Fig. 6) show that (1) α-wave varies from 100 to 276 μV, with average of 204.21 μV (2) b-wave varies from 210 to 858 μV and the average is 434.77 μV. In all the b-wave, we can see the oscillatory potential in their ascending limbs. The other components of ERG, such as ERP, c-wave, d-wave etc. and the subcomponents are not discussed. They remain for further evaluation.

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