Digital screens emit a specific type of blue and violet light. Overexposure to this high-energy, short-wavelength light may negatively impact eye health and cause digital eye strain.If you are using your phone constantly especially if you use it primarily for texting, e-mailing and web browsing. A convenient way to reduce your blue light exposure is to use a blue light filter.

• May help to reduce: eye strain, dryness, discomfort, sleep disorders, headaches, blurred vision, neck/shoulder pain
• Lens Coatings: Blue Light Filter & Anti-Reflective
• Female Rectangular Design
• Lightweight & Comfortable Stainless Steel Frame
• 5.25" Frame Width 1.4" Lens Height
• Dimensions (MM): 54-16-140