Here are a variety of pink or rose-colored sunglasses to help reduce eye strain from computer/tablet/phone screens, fluorescent lights, and indoor sun glare.  Dark sunglasses are just too dark for indoor use.  Read LindiMoo's blog "Rose Colored Glasses for Headache Relief " to see how she eliminated headaches, disorientation, nausea, nervousness, difficulty concentrating and achy eyes just by using rose or pink colored sunglasses indoors and outdoors...especially while working on her computer booking music and entertainment shows.