Board Thread:Legitimate Canon Questions/@comment-98.161.56.184-20140128041603/@comment-125.238.19.8-20140128061001

maybe its an age thing where her powers show up later in life (teens) rather than from birth or when there is danger around (werewolves) plus it might be dormant like werewolves can switch it off and when a picture is taken it shows up just like werewolf eyes.