preferred_name: Base curve 2 &#x7C; Left contact lens prescription &#x7C; Contact lens
preferred_name_lc: base curve 2 &#x7c; left contact lens prescription &#x7c; contact lens
label: Base curve 2 &#x7C; Left contact lens prescription &#x7C; Contact lens
label_lc: base curve 2 &#x7c; left contact lens prescription &#x7c; contact lens