Crazy procedure, the risk of problems seems really high. Imagine if the ink eventually separates and goes into other parts of the eye and everything looks blue forever!
It certainly seems that potential long term risks far outweigh the short term benefits. Stick to contact lenses people!
Have you ever considered publishing an ebook or guest authoring on other websites? I have a blog centered on the same topics you discuss and would really like to have you share some stories/information. I know my viewers would enjoy your work. If you’re even remotely interested, feel free to send me an e mail.