 However, the central point of the theory was exactly to obtain a  faithful visual map with the medial field projecting to the medial sides of the visual cortex.
<clarity>  However, the central point of the theory was exactly to obtain a  faithful visual map with the medial field projecting to the medial sides of the visual cortex.
 However, the central point of the theory was exactly to obtain a precise, faithful visual map with the medial field projecting to the medial sides of the visual cortex.