preferred_name: Room brightness level during testing &#x7C; Eye &#x7C; Eye physical exam
preferred_name_lc: room brightness level during testing &#x7c; eye &#x7c; eye physical exam
label: Room brightness level during testing &#x7C; Eye &#x7C; Eye physical exam
label_lc: room brightness level during testing &#x7c; eye &#x7c; eye physical exam