Bryan Ardis said different types of snakes, either the Chinese Krait or the King Cobra produce clotting or blood thinning. He said which ones but I don't remember.
The inventors of the mRNA (COVID) vaccines(nature.com/articles/d41…) used synthetic venoms primarily from genetic sequences from those two snakes.
Steve should try a nicotine patch. If I'm right it will stop the assault on his eye. He should contact Bryan Ardis for more information including dosage. IMO.