Glancing briefly at an eclipse will not cause blindness any than glancing at the Sun at any other time will cause blindness.
God how I hate the media.
Before I put my special glasses on I briefly glanced at the sun.
So what?
Trump is 70 years old. I'm certain he isn't stupid enough to STARE at the sun.
Not that it is really possible anyway.
It is painful to actually keep your gaze on it.