That's not factually true at all.
(the prescription bit, not the x-ray vision)
http://www.reuters.com/article/2010/01/09/us-headache-3d-idUSTRE6080XO20100109
"There are a lot of people walking around with very minor eye problems, for example a minor muscle imbalance, which under normal...
Much like it's stint in the 80's it's on it's way out. Nothing more than a gimmick. We are however a few steps away from holographic films. Give it 10 years.