Best lenses for people who use alot of the computer, handphones or digital devices. Help to relieve eye strain and stress. Three types of (+) power for different group age people. INCLUDED blue control coating to block blue rays emitted from digital devices, handphones. Further 10% discount for Hoya lens. Discount code: hoyah2019 Top up to Hoya lens. Very Strong scratch resistance. Free Block blue ray 40%. 2 year HVLL multicoated warranty. Will require you to come down to do this personalised lenses. Please arrange appointment with us for eye check and do measurements and fittings. We do Free eye check for confirmed paid customers.