but it doesn't change anything about the tv its an illusion.
thats whats bugging me about that statement.

yea my bad, i should have said it improves those levels because of how it alters your perception of the TV

I thought everything was an illusion

There is no such thing as coincidence, merely the illusion of coincidence.

I use 'em.

Reduces eyestrain by a long shot, looks marginally cooler and costs virtually nothing.