The justifications that come out of the right wing blogsphere keep getting sillier by the second. via Whiskey Fire:
The pictures of Jose Padilla being led to the dentist in leg shackles and blackout goggles have provoked outrage and disgust and bafflement. Why the goggles? What's the point?
Althouse has an answer:
Perhaps there is a fear that he will communicate in code by blinking.