NightFall Wrap Blue Blocking Glasses - PrescriptionDescription Features NightFall Premium Blue Light Blocking Glasses These are the world's most advanced blue and green light blocking with true red lenses designed for after dark use. They block 100% of blue and green light from 380 550nm, making them the most powerful glasses on the market. NightFall Premium Blue Light Blocking Glasses are true to their purpose using a dark and stylish frame that has a wrap around fit to minimise leakage of unfiltered