Empirical study
LENS
For this within-subject comparison, the chromaticity coordinates of eyes with the SW-filtering test contact lens (Subjective white point of all subjects. The size of the marker (open circle) represents the standard deviation, and the asterisk indicates the range.Chromaticity for the younger (left), older (middle), and combined (right) groups with SW-filtering test and clear control lenses in the per-protocol (cohort) population. Min = minimum; Max = maximum.Histograms of the within-subject differences in subjective white points. Color difference (ΔIlluminance for the younger (left), older (middle), and combined (right) groups with SW-filtering test and clear control lenses in the per-protocol (cohort) population.