Montana reading glasses assorted blue light filter

* Blue light filters are extremely popular because we spend an average of 5.5 hours a day in front of screens. * These glasses protect your eyes against screen emissions, which significantly reduces eye irritation and improves the quality of your sleep. * Note: a blue light filter gives a yellowish tint to the lenses. * These glasses have a classic design, are ultra-lightweight, and very comfortable thanks to their flexible arms. * Aspheric and scratch-resistant lenses with a blue light filter to reduce eye strain and can be used as computer glasses. * This set contains 24 pairs of glasses in 4 different colors and 6 different corrections per color, from 0.00 to 3.50. * The glasses are stored in a very flat hard case only 15mm thick.