There is at least one international standard that deals with the subject of IR and eye safety: EN 62471
And you could probably find others by searching with phrases such as: standards infrared eye tracking safety
But, my first thought was: this is probably not the best place to ask about a potentially serious safety-related issue. Suggest you find an expert in the field. There could be one here. We'll see. I doubt it.
It's intended as a line or edge detector for hobby robots. I don't think you will find any government, medical or international regulatory body stating that it's safe to point it into your eye