Optic nerve disorders

Dr Kendrick Shih

  • Optic Atrophy

    Byepsuadmin

    When is it optic atrophy? The optic nerve comprises of 1.2 million myelinated axons. Once damaged, the axons do not regenerate (behaves more like a white matter tract than a true peripheral nerve). Thus optic atrophy is the common morphological endpoint of any optic neuropathy. Clinically, the neuro-retinal rim of the optic disc (the area…

  • Papilloedema

    Byepsuadmin

    When is it true optic disc edema? The optic nerve head consists of a bundle of densely packed axons from 1.2 million retinal ganglion cells and also encases the central retinal artery and vein. Thus, true optic disc swelling should have both mechanical and vascular signs present. The above photo (Figure 1) illustrates a typical…