preferred_name: Patient achieves final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery
preferred_name_lc: patient achieves final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery
label: Final ref +/- 1.0 w/in 90d
label_lc: final ref +/- 1.0 w/in 90d