Board Thread:False Info and Speculative Discussion/@comment-31079951-20170130191122/@comment-11533671-20170629054424

^ Derek knew how to control this. Kira hadn't learned how when they first met. Scott and the other folks by 6a may have learned how to control this as well is my assumption. However, our wiki here contains the answer, here ya go!

Werewolves Perks and Quirks: "Camera flashes and some video recording devices cause werewolves eyes to glow making them nearly impossible to photograph. They can apparently learn to control this effect." - []