Iwo Sakowicz
Iwo Sakowicz voted up Sharron Prestcott's answer

I believe that sometimes we see things that have no explanation, I also believe in angels so it could have been your guardian angel you saw.  Children and animals often see things we don't that's because their minds are open.

Don't be afraid of whatever it is, it's just watching over you.

Iwo Sakowicz
Iwo Sakowicz voted up Didge Doo's answer

It's not a big deal. As Moga Deet pointed out, the "corner of the eye" is just your peripheral vision. It's that part of the eye that relates to "night vision". You can see things that way that simply aren't there when you turn the full focus on them.

Here's an experiment you can try. … Read more