From NBC: It’s the latest prescription for extreme ultra-Orthodox Jewish men who shun contact with the opposite sex: Glasses that blur their vision, so they don’t have to see women they consider to be immodestly dressed.
HHGTTG peril sensitive glasses take on a new role. Google Glasses might have a more specific solution in the future.
Given the sensitivities of some to images, a wider constituency could be imagined.
Hamish MacEwan 
What a fantastic idea. Surely given services like Googles and mass indexing of everything from books to street signs and billboards we should be able to enter a golden new age for humanity. I can imagine those with a few more prejudices than most leading very boring lives as the navigate their way between endless black boxes of redaction.Don’t censor the world redact your life.