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The spectral transmittance (a), front surface reflectance (b), phototoxicity (c), scotopic sensitivity (d), and melatonin suppression (e) as a function of wavelength for the five blue-light filtering spectacle lenses. The standard action spectrum curves for the blue-light hazard, scotopic luminous efficiency and circadian efficiency are displayed as dashed lines. The data are summarized in the table at the bottom right.
