Freyrs Betty Blue Light Blocker Glasses

High quality, impact resistant blue light blocking lenses. Get more comfort while reading from digital screens. Blue light filtering lenses block potentially harmful high-energy light . Blue-light-blocking glasses have filters in their lenses that block or absorb blue light from getting through. That means if you use these glasses when looking at a screen, especially after dark, they can help reduce exposure to blue light waves that can keep you awake Very good condition Betty Tortoise Come with the box