{"cm":[],"snellen":[],"diopter":{"normalized":[{"left_sph":"-3.75","left_cyl":"","left_axis":"","right_sph":"-3.75","right_cyl":"","right_axis":"","date":"2018-06-21"}],"differential":[{"left_sph":"-2.25","left_cyl":"","left_axis":"","right_sph":"-2.25","right_cyl":"","right_axis":"","date":"2018-06-21"}]}}