preferred_name: Perimeter format &#x7C; Visual sensory &#x7C; Visual field
preferred_name_lc: perimeter format &#x7c; visual sensory &#x7c; visual field
label: Perimeter format &#x7C; Visual sensory &#x7C; Visual field
label_lc: perimeter format &#x7c; visual sensory &#x7c; visual field