Patricia (Black-Brown) Sand these lenses block nearly all

these lenses block nearly all stimulating light to support melatonin production and prepare your body for deep

And not to mention

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Why These Are the Best Blue Light Glasses for Men & Screen Fatigue

They are not sun glasses

Patricia (Black-Brown) Sand these lenses block nearly allWhy You'll Love Them! SIZE 52 17 135 Medium COLOR Black Brown MATERIAL Metal Daytime Lenses (50% blue light blocked): Protect your eyes during the day by filtering harsh blue light. These lenses ease eye strain, headaches, and fatigue while letting in enough natural brightness to keep you focused and alert. Nighttime Lenses100% blue & green light blocked): Ideal for evening wear, these lenses block nearly all stimulating light to support melatonin