Answer:
Three little letters. A paradox to some. The worse that it is, the better it becomes.
Sometimes I am loud. And viewed with distaste. Poke out my 'eye', then I'm on the front of your face.
The more of it there is, the less you see.
Being able to interpret the letters on this screen proves that you have this quality.
What is made of wood but can't be sawed?
I have two eyes in the front and a lot of eyes on my tail