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Concord Eye Care Glasses Blue Light Blocker

Wear these glasses in the evening continuously until you go to bed – with all TV viewing, reading, computer, tablet and phone usage. They should be worn for 2-3 hours before your ideal bedtime and taken off after all lights have been switched off! You will notice the benefits within a few days of wear. Use every day consistently and go to bed when you first start to feel sleepy for the best sleep and body clock.