Behind those silver accents, these Foster Grant® Blue Light Glasses feature spring hinges for comfort and support that lasts all day. Whether you’re hard at work or out and about for fun, make these your all day, every day eyewear choice.Unisex Aviator Blue Light Glasses in Tortoise by Foster Grant - Milo Glasses Milo shows off a warm, fashionable side while getting down to the business of filtering the blue-violet light.