25 These stylish tiger-striped round frames feature three different strengths in one pair of glasses.25 A favorite among both men and women, the Foster Grant® McKay Multi Focus™ Reader is now available as Multi Focus™ Blue, delivering the Multi Focus™ functionality you've grown to love with the added benefit of lenses that help filter blue-violet light* from the sun and artificial sources, including digital devices.Unisex Round Blue Light Glasses in Brown by Foster Grant - McKay - +2. - Unisex Round Blue Light Glasses in Brown by Foster Grant - McKay - +2.