ABSTRACT
Damage to the occipital lobe may result in distortions, bending or curvature in lines and surfaces, resulting in metamorphopsia. Among such cases are those with a predominance of specific directions, such that an enlargement or diminishment of dimensions according to the direction of a main meridian of the visual field, e.g., vertical, seems to determine the kind of metamorphopsia. One of us (P) described two such cases: In both (gunshot wounds of the occipital lobe) there was an incomplete paracentral scotoma in the meridian of the visual field which seemed decisive for the direction of the distortion, continuous with the meridian of the main extent of the scotoma. The metamorphopsia was associated with defective spatial vision so that depth perception under certain conditions seemed abolished or severely impaired.
