Abstract
The optic disc is sometimes said incorrectly to lie in a position below the fovea. This misconception arises from neglecting the inversion of the retinal image. The blind spot, regarded as a position in the visual field, in fact lies below the point of fixation, but the anatomical counterpart of the blind spot, the optic disc, lies above the fovea. It is suggested that the term optic disc be used anatomically and the term blind spot be used only to refer to an area in the visual field.
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