Children touch these vedios every day,like computers,cell phones,play game and TV LED displays.That will send out much blue lights for the eyes,then there are increasing dramatically vision problems.So we need a nice anti blue glasses to protect our eyes,safeguard our eyes and reduce digital eyestrain from screen time.Our kids could have a relax to get a good rest and even have a good sleep when wear them about 15 minutes before go to bed.<br><br> This price is quite worthy for our glasses,since they are PC coated lens and high quality plastic frame.And it comes a matched case,a cleaning cloth.<br><br> Please keep contact with us if you have any question for this item or the deal you ordered.We are working hard to reply you within 24-36 hours to satisfy you.You should know a nice talking is the beginning and key important to a good transaction.So have a fun and wonderful purchase here.