Red Lights topic

Hi, after 2 months with my Moto X I saw 3 red lights, 2 at bottom and 1 at top.
I know that they are sensors but it is OK to see them when I am in a dark room?

I don't know if they were there and I didn't notice them or they started to show a few days ago

Sent from my XT1097 using XDA Free mobile app

Sent from my XT1097 using XDA Free mobile app