preferred_name: Over refraction sphere &#x7C; Right contact lens &#x7C; Contact lens
preferred_name_lc: over refraction sphere &#x7c; right contact lens &#x7c; contact lens
label: Over refraction sphere &#x7C; Right contact lens &#x7C; Contact lens
label_lc: over refraction sphere &#x7c; right contact lens &#x7c; contact lens