Protect you eyes while on E devises. Long term exposure the phones, monitors, tablets and other blue light devices have both long term and short term damage to the eyes. BlueTECH Shield blocks the Blue-light in the 415 nm to 455 nm wavelength range. Blocking the harmful blue light from the eyes, while ensuring that the portion of blue light needed for optimal contrast and other health benefits is allowed to pass through the lens. In addition to blocking the harmful blue rays, it provides protection against UV Radiation transmission and has a premium hydrophobic anti-reflective coating that repels and resistant's water, oil, dust and smudges.
One price includes both polycarbonate lenses ,edging, polish and mounting.