8.Whitish bands composed of medullated nerve fibres radiating out from the optic disc are of no pathological significance and must not be confused with papilloedema.

• 在视盘周围呈放射状的，由有髓鞘神经纤维所组成的白色条状物，是无病理意义的，不要与乳头水肿相混淆。