Fig. 3
From: Home lighting, blue-light filtering, and their effects on melatonin suppression
Transmittance spectra of the eight blue-light-filtering (BLF) lenses examined in this study: four commonly used in clinical practice A and four acquired online B. The black line represents the transmittance spectrum of a clear lens used as a control reference. Coated and tinted lens types are indicated in the legends.
