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Summary. We used materials to construct an in vitro model that simulates the growth of the optic nerve. The axons of the optic nerve will grow and extend to the optic disc, where they are gathered and then connected to the cerebral cortex visual area (a). Use EVA as the material for the construction of the groove structure. The use of EVA as a material for the establishment of the trough structure can lead to axonal growth with a regular arrangement (b).
