DefenderShield® Universal Fitover Blue Light Blocking Glasses are the ultimate solution for protecting your eyes from blue light emitted from digital screens of computers, laptops, tablets, cell phones and other electronic devices while also wearing your prescription or reading glasses. While our DefenderShield Blue Light Glasses protect your eyes from damaging blue light day and night, you will notice an improvement in eye strain that can result in headaches, fatigue, dry eyes, and problems focusing. We have ergonomically developed our unisex blue light blocking Fitover frames as lightweight and slim as possible to be used in conjunction with prescription or reading glasses for the most comfortable fit imaginable. With DefenderShield Blue Light Blocking Glasses, you can feel confident that the negative effects of long-term exposure to harmful blue light are reduced.